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 · 77 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.
History Museum · Southwest Washington · 256 tips and reviews
HISTORY: Opened in 1993, this museum is devoted to the history of the Holocaust, the state-sponsored murder of 6 million Jews in Nazi Germany from 1933 to 1945.