Here’s a fitting place to begin: Constructed in 1968 as one of downtown’s most iconic buildings—and still known by many as the Equitable Building—100 Peachtree recently underwent a major renovation.

Saturday: 9:30 a.m. – 3 p.m.

Sunday: 9:30 a.m. – 3 p.m.

In addition to Quilt exhibition and workshop areas, an exhibition by photographer Aubrey Graham titled “Mugunga III: The Visual Politics of Photographing Displacement in the Congo,” will be on display as part of Atlanta Celebrates Photography. 

Saturday: 9:30 a.m. – 5 p.m.

Sunday: 9:30 a.m. – 3 p.m.

One of Buckhead’s newest apartment towers, AMLI 3464 offers panoramic views of the Buckhead, Midtown, and downtown skylines.

Saturday: 11 a.m. – 2 p.m.

Sunday: 11 a.m. – 2 p.m.

One of Midtown’s newest apartment towers, Atlantic House features 32 stories of luxury living, topped by two pools high in the sky.

Saturday: 10 a.m. – 5 p.m.

Sunday: 1 p.m. – 5 p.m.

A slice of history in the heart of Midtown Atlanta’s burgeoning SoNo neighborhood, Baltimore Block offers a unique setting to its community of tenants.

The complex is centered on eight brick row houses inspired by the Colonial-era rows of Baltimore and New York, transformed and expanded into a modern office asset.

Per its developers, Baltimore Block combines Atlanta’s hallmark charm and sophistication with the contemporary edge and stellar service fit for the capital of the New South. Tours of the recently completed penthouse residences will also be available.

Saturday: 10 a.m. – 4 p.m.

Sunday: 10 a.m. – 4 p.m.

Known by Atlantans for its glowing “JESUS SAVES” sign, which looms over the Grady Curve, Big Bethel AME has been a fixture of the Auburn Avenue community for nearly 100 years and is the oldest African-American congregation in Sweet Auburn.

Saturday: 9:30 a.m. – 5 p.m.

Built in 1918 as the Spring Street Elementary school, today the expanded facility houses the collections of master puppeteer Jim Henson.

Special rules: Discounted admission will be offered during open hours, and the Center will offer 20 people a free behind-the-scenes tour on Saturday and Sunday at 3 p.m. No reservations are needed, but the tours are first-come, first-served.

Individuals unable to make the tour will enjoy a 25 percent discount off entrance to the self-guided main gallery by mentioning Open House Atlanta at the box office.

Saturday: 10 a.m. – 5 p.m.

Sunday: 12 p.m. – 5 p.m.

Located in the base of the Westin Hotel, next to Lenox Square, Collins Cooper Carusi is an architecture firm specializing in academic facilities. The office features collaborative work zones and breakout spaces with flexible furnishings and state-of-the-art technology.

Saturday: 9:30 a.m. – 5 p.m.

Colony Square will offer attendees a sneak peek of the reimagined and redesigned development as work gets underway on the transformation of Midtown’s original mixed-use hub. 

Each guest will receive a FAQ sheet with historic, current, and future information about Colony Square.

Saturday: 9 a.m. – 5 p.m.

Sunday: 9 a.m. – 5 p.m.

On Sunday, from 2 to 3 p.m., there will be a live virtual reality experience and tour of the helipad atop Building 400.

An architecture firm specializing in healthcare facilities and graphic design, EYP Stanley Beaman & Sears recently moved to the mezzanine and second floor of the iconic 100 Peachtree building.

The office features soaring windows with panoramic views of downtown’s streetscape.

Saturday: 9 a.m. – 5 p.m.

Sunday: 12 p.m. – 3 p.m.

Visit the training room for a video history of the firm, including their transition and buildout from old office space to their existing space.

Doughnuts and non-alcoholic beverages will be provided for attendees.

Constructed on Peachtree Street back in 2001, the Federal Reserve is a grandiose presence in the heart of Midtown.

The building’s boardroom preserves the floor-to-ceiling wood paneling, the chandelier, and the 7-by-9 foot color map of the Sixth Federal Reserve District from the bbank’s previous boardrooms. Self-guided tours of the Monetary Museum are available all weekend.

Saturday: 9 a.m. – 5 p.m.

Sunday: 9 a.m. – 5 p.m.

Special guided tours of the facility are available four times during the weekend.

Saturday: 11 a.m. and 2 p.m.

Sunday: 1 p.m. and 3 p.m.

Atlanta’s oldest extant skyscraper, downtown’s Flatiron Building was completed in 1897—five years earlier than New York’s building by the same name. Today, the building houses a tech incubator and collaborative office spaces.

Saturday: 9:30 a.m. – 5 p.m.

Overlooking Peachtree Street in Midtown, Gensler’s local office celebrates and elevates the visibility of the design process.

Per the company, clients are engaged through collaboration and inspirational spaces just inside the lobby. With just four enclosed offices in the workplace, work areas are organized into small neighborhoods separated by glass-fronted team rooms.

Saturday: 9 a.m. – 5 p.m.

Considered one of the Southeast’s first-class hotels, this building is possibly most known for hosting the gala reception for the premier of “Gone with the Wind” in December 1939.

This magnificent historical gem managed to escape the wrecking ball due to local preservationist protests. With a $10-million renovation project complete, the Georgia Terrace could be in a class of its own.

Saturday: 9 a.m. – 5 p.m.

Guided tours will be offered at 9:15 a.m., 11:15 a.m., 3:15 p.m., and 4:30 p.m. Meet at the concierge desk.

Hanover East Paces is a new luxe apartment community in Buckhead, offering a walkable option in Buckhead Village. The property features a luxurious pool, fitness center, and private screening room.

Saturday: 10 a.m. - 5 p.m.

Sunday: 12 p.m. - 5 p.m.

HKS Inc is a global architecture firm with a rapidly growing reputation for sustainable design, per the company.

Their Atlanta office, located in 191 Peachtree Tower, have been awarded LEED Gold for Commercial Interiors. The interior design team placed a strong focus on water reduction, energy efficiency, sustainable materials, maximizing furniture and equipment reuse, and recycling construction waste.

Saturday: 10 a.m. – 2 p.m.

HOK Atlanta Office is the designer of award-winning Porsche Cars North America Experience Center and Headquarters in Atlanta and Mercedes-Benz Stadium.

HOK Atlanta is also the leading joint venture for design of passenger terminal modernization at Hartsfield-Jackson Atlanta International Airport and designer of new Interdisciplinary Academic Building at Georgia Southern University in Statesboro.

Saturday: 10 a.m. – 2 p.m.

Houser Walker Architecture is a boutique architecture studio dedicated to creating extraordinary value by advocating for their clients’ missions through a rigorous design process, per the company.

HWA seeks to “foster community and accomplish more with less by embracing an integrated, holistic and ecological approach to the planning and design of university environments, arts and cultural spaces, work environments, libraries, educational spaces, places of worship, and other spaces that engage the public realm.”

Saturday: 10 a.m. – 3 p.m.

Sunday: 10 a.m. – 3 p.m.

lilli Midtown is a 24-story tower containing 147 luxury apartments and 4,000 square feet of ground-level retail space, expected to be completed next year. 

JPX Works will unveil their model apartment unit, located on the second floor of the tower, allowing visitors a chance to be among the first to step into the space. Tours will occur throughout the weekend.

Saturday: 9:30 a.m. – 5 p.m.

Sunday: 9:30 a.m. – 3 p.m.

Loews Atlanta is situated near Piedmont Park in the heart of Midtown, with accommodations including 414 guest rooms and 44 suites.

The luxurious quarters are adorned with a modern mix of neutrals, accentuated by bold, cardinal red cushions and plush lounge chairs. Boasting floor-to-ceiling windows, the 26-story development offers breathtaking views of the city.

Reservations for hourly tours can be made online.

Sunday: 11 a.m. to 3 p.m.

Constructed as a single-family residence for Cornelius J. Sheehan in 1899, the house was subdivided into apartments in the 1920s.

It is here that the notorious Peggy Marsh wrote Gone With the Wind. The house fell into disrepair, suffered two fires, and was moved on the site, but was restored for visitors to enjoy today.

Saturday: 10 a.m. – 5 p.m.

Sunday: 12 p.m. – 5:30 p.m.

A city-within-a-city, comprising 2.3 million square feet of office space in six buildings, Peachtree Center features more than “50 vibrant restaurants and retail shops, plus three world-class hotels with over 4,000 rooms.”

An information booth will be set up to share the history of the property and information about work which will soon begin on a revitalization of the more than five-decade-old John Portman-designed complex.

Saturday: 9:30 a.m. – 5 p.m.

Sunday: 9:30 a.m. – 3 p.m.

Originally built as federal government office building following WWII, Peachtree Lofts was one of Midtown’s first loft conversions and is often cited as Atlanta’s last remaining Bauhaus-style building.

At one time, it was the largest structure in Midtown and home to multiple government agencies, including the Department of Agriculture and the CDC, among others. The entry features a gallery wall with historic images of the surrounding Midtown neighborhood.

Saturday: 9 a.m. – 5 p.m.

Sunday: 9 a.m. – 1 p.m.

The historic Visitor Center is the oldest permanent building in Piedmont Park, constructed by the city as a “public comfort station” between 1910 and 1911.

Today, the historic Visitor Center is a popular Atlanta event venue whose proceeds benefit Piedmont Park Conservancy, a nonprofit dedicated to restoring and enhancing Piedmont Park.

Saturday: 9 a.m. – 1 p.m.

The Green Market is open 9 a.m. to 1 p.m. and a free Piedmont Park History Tour will depart the Center at 11:00 a.m.

Praxis3 is an architecture and multidisciplinary design firm founded in 1997 broadly specializing in retail, automotive, financial, civic, cultural, institutional, higher education, hospitality, and mixed-use/housing design.

Some of Praxis3’s work includes the GSU 25 Park Place Annex and unsolicited, UGA Ramsay Hall, the George apartments, plus “pro bono work on the Atlanta-Fulton Central Library to show that this great Marcel Breuer work can be saved,” per the company.

Saturday: 9:30 a.m. – 3 p.m.

Sunday: 9:30 a.m. – 3 p.m.

Designed and built by original owner Ferdinand McMillan, The Castle is easily one of Atlanta’s most architecturally unique buildings.

Since McMillian’s death in 1920, The Castle gained cultural significance to Atlanta’s arts community by providing housing for artists. The City of Atlanta designated the building a landmark in 1989, but it remained vacant.

Purchased in 2010, The Castle has finally found new life as home to the new restaurant concept Rose + RYE.

While tickets for the guided tour on Saturday went in minutes, Open House Atlanta diners will be able to enjoy the ambiance, and $5 cocktails, Saturday and Sunday.

Founded in Atlanta, Rosser International, Inc. is celebrating 70 years of providing architectural, engineering, and program management services.

From its roots as a small engineering firm, today Rosser is known for having designed some of Atlanta’s most recognizable venues, including the Infinite Energy Arena, the World of Coca-Cola, the Georgia Dome, and Turner Field. They’re currently completing the new Sandy Springs City Center.

Saturday: 10 a.m. – 3 p.m.

Stevens & Wilkinson, founded in Atlanta, has been providing a full range of design services including architecture, planning, and engineering, along with complete interior design since 1919.

As a combined firm of more than 100 professionals, with offices in Atlanta and Columbia, S.C., the firm offers “a range of integrated and well-coordinated design services that include imaginative design, technical precision and timely delivery.”

Saturday: 10 a.m. – 2 p.m.

Following a brunch theme, Stevens & Wilkinson will offer fresh pastries from Highland Bakery and a Bloody Mary bar.

Established in 1860 as the Hebrew Benevolent Congregation, The Temple moved into its present neoclassical structure--designed by noted classicist Philip Trammell Shutze—which borrows from the ecclesiastic architectural style of Venetian churches, in 1931.

Sunday: 9 a.m. – 3 p.m.

In the heart of Buckhead, the W Atlanta Buckhead features “interiors designed by celebrity designer Thom Filicia, high-tech art conceived by visionaries, luxurious accents detailed by sophistication, and alternative materials utilized by innovation.”

The hotel is surrounded by an abundance of specialty shopping, cultural beats, and exciting dining with a chic rooftop sky bar to cap it off.

Saturday: 9 a.m. – 5 p.m.

Sunday: 9 a.m. – 5 p.m.

The stories of Robert W. Woodruff Park and its surroundings touch on some of the most influential people and events of Atlanta’s modern history.

From the Civil Rights movement to the birth and growth of the Coca-Cola Company, you’ll hear about the buildings that once stood in and around the central downtown park, about those who bought and sold the property that is now part of the park, and major historical events that happened nearby.

Saturday: 9:30 a.m. – 5 p.m

Sunday: 9:30 a.m. – 3 p.m.

Get to the park early on Saturday (9 a.m., that is) and enjoy free yoga. Throughout the weekend you can take a self-guided tour of the park. Pick up a printed guide from the Woodruff Park Game Cart located at the gazebo at the south end of the park.

YOO on the Park sets a new standard for luxury design and lifestyle experiences in vibrant Midtown Atlanta, per its developers.

They add: “Brilliantly planned amenities, signature programming, and responsive concierge services are designed to make every day satisfying and rewarding for residents of this innovative rental community.”

Saturday: 12 p.m. – 4 p.m.

Sunday: 12 p.m. – 4 p.m.