List of the world's largest domes. A dome may be defined as a self-supporting structural element of architecture that resembles the hollow upper half of a sphere; this definition excludes structures such as The O2 (formerly the Millennium Dome) in London which is 365 m (1,198 ft) in diameter and supported by masts.
One of the best places to go with family in tow, Chicago absolutely teems with attractions. Choose from the fun of touristy Navy Pier and photo ops at the mirrored Cloud Gate sculpture to riding a tandem along the hem of Lake Michigan, the (free) zoo or the wonderful Shedd Aquarium.
Graceland, Elvis Presley's home and refuge for twenty years, is one of the most visited homes in America today, now attracting over 600,000 visitors annually. It is also the most famous home in America after the White House. In 1991, Graceland Mansion was placed on the National Register of Historic Places.