Travel USA-Hoover Dam Las Vegas Nevada 旅游美国
Description & Facts: Hoover Dam is an outstanding achievement, not only for its enormous dimensions, complex design and intricate construction, but also for its illustration of man's outstanding ability.
Capital:Washington D.C. Currency: US dollar (USD) Government: federal republic Population: 301,139,947 (July 2007 est.) Religion: Christian 78% (Protestant 52%, Roman Catholic 24% Mormon 2%) other 10%, none 9%, Jewish 2%, Muslim 1% (2002) Time zone: UTC -4 to UTC -10