Architecture of the United States New York City's Woolworth Building designed by architect Cass Gilbert, 1913. Raising previous technological advances to new heights, 793 ft (233 m), it was the world's tallest building until 1930. Frank Woolworth was fond of gothic cathedrals. Cass Gilbert constructed the office building as a cathedral of commerce and incorporated many Gothic revival decorative elements. The main entrance and lobby contain numerous allegories of thrift, including an acorn growing into an oak tree and a man losing his shirt. The popularity of the new Woolworth Building inspired many Gothic revival imitations among skyscrapers and remained a popular design theme until
Embassy of the United States, Ottawa Embassy of the United States, Ottawa The Embassy of the United States of America in Ottawa () is the diplomatic mission of the United States of America in Canada. The current complex in Ottawa opened in 1999. Before 1999, the mission occupied a 1930s era building directly across from Parliament Hill at 100 Wellington Street. The Beaux-Arts structure was designed by Cass Gilbert for the American legation in 1932 (full ambassador status was with the United States Embassy in Britain at the time), then as a full embassy after 1943. The older building, a three storey Indiana limestone built in