Capital: Washington, DC.
Currency: US dollar.
Electricity: 110-120V, 60Hz.
GMT Time: Continental USA counts four time zones: Eastern (-5h), Central (-6h), Mountain (-7h), and Pacific (-8h) Standard Times. Alaska (-9h) and Hawaii (-10h) have their own zones. Daylight savings is applied; except in parts of Hawaii, Indiana and Arizona.
Government: Constitution-based federal republic.
Land size: 9,161,923 km2.
Language: English, and other commonly spoken languages include Spanish, French, German, Italian, and Chinese.
Population: 295,800,000 approx.
Religion: Protestant 52%, Roman Catholic 24%, Mormon 2%, Jewish 1%, Muslim 1%, other 10%, none 10%.
A valid passport and a return or onward ticket required.
A valid driver's license is accepted. Must be between 19 and 25 years old (check with rental company) and have a credit card to rent a car.
United States Vacation Tips
Unless you are only planning to visit a well serviced city, a car rental is essential in the US. Many attractions can only be reached by car. Car rentals are available everywhere, especially at airports and larger cities. Just remember to inquire about all taxes, required insurances and fees before renting.
Tipping, although not obligatory, is very much expected. Restaurants, bar or club staff and taxi drivers receive normally a 15% tip. Bellhops and doorman usually receive $1 per bag, checkroom attendants $1 per garment, and parking attendants $1 per vehicle. Chambermaids should get 1 to $2 per day.