Ambassador Theater

The Ambassador Theater was a structure in Adams Morgan built in the Georgian Revival style with limestone and red brick exterior elements. The building could accommodate roughly 1,700 patrons and stood at the intersection of 18th Street and Columbia Road.

The building was originally constructed as the Knickerbocker Theater in 1915 and suffered a severe roof collapse in 1922 that killed 98 people. After being rebuilt, the venue continued operating for decades until demolition in 1969.

The venue became a major concert destination in the 1960s, hosting rock and blues artists who attracted younger audiences to the Adams Morgan neighborhood. This shift transformed it into a gathering place where music fans could experience emerging styles and performers.

The venue sat at a central location in Adams Morgan and was easily reached on foot along 18th Street. The neighborhood remains a walkable area today with plenty of dining and shopping options nearby, making it a convenient destination.

The venue used an unusual ticketing system that grouped patrons by age: Petal for children under 15, Flower Children for ages 15 to 30, and Old Flowers for older guests. This approach reflected the music-driven subculture of the 1960s.

Location: Washington, D.C.

Address: 2464 18th Street NW, Washington, DC 20009

GPS coordinates: 38.92210,-77.04240

Latest update: December 14, 2025 09:47