The Seattle Cinerama Theatre is a landmark movie theater

Movie theater

A movie theater, cinema, movie house, picture theater, film theater is a venue, usually a building, for viewing motion pictures ....

 located in the Belltown

Belltown, Seattle, Washington

Belltown is a neighborhood in Seattle, Washington, United States, in the 98121 Zip Code, located on the city's downtown waterfront, on land that was artificially flattened as part of a regrading project...

 neighborhood of Seattle, Washington in the United States of America. It is one of only three movie theaters in the world still capable of showing three-panel Cinerama

Cinerama

Cinerama is the trademarked name for a widescreen process which works by simultaneously projecting images from three synchronized 35 mm projectors onto a huge, deeply-curved screen, subtending 146° of arc. It is also the trademarked name for the corporation which was formed to market it...

 films.
The Seattle Cinerama opened in 1963 as Seattle's Martin Cinerama as a showcase for the eponymous technology, but was retrofitted a few months later to also show 70 mm film

70 mm film

70mm film is a wide high-resolution film gauge, with higher resolution than standard 35mm motion picture film format. As used in camera, the film is wide. For projection, the original 65mm film is printed on film. The additional 5mm are for magnetic strips holding four of the six tracks of sound...

s on its huge curved screen.