HISTORY: Attracting 8.6 million visitors annually, Navy Pier is Chicago's lakefront playground. It was designed for shipping and recreation and has evolved into a major Midwest leisure destination.
HISTORY: Hoover Dam was built during the Great Depression, between 1931 and 1936. The project employed thousands of workers, cost more than 100 lives and gave rise to Boulder City.
W Potomac Park (btwn Lincoln & World War II Memorials), Washington, D.C.
Fountain · Southwest Washington · 76 tips and reviews
HISTORY: The pool, measuring some 2,000 feet long, was built soon after the 1922 dedication of the Lincoln Memorial; both were designed by architect Henry Bacon.
Wallach Walk (btwn E 75th & 76th St), New York, NY
Outdoor Sculpture · Central Park · 56 tips and reviews
HISTORY: Created in 1959 by Jose de Creeft (1884-1982), this bronze sculpture features characters from the 1865 Lewis Carroll story‚ "Alice in Wonderland."
1 World Trade Ctr (btwn Fulton & West St), New York, NY
Structure · Financial District · 315 tips and reviews
HISTORY: The trade center's twin 110-story towers, the planet's tallest buildings when they officially opened in 1973, were destroyed in the September 11, 2001, terrorist attacks against the U.S.