Communities, states and the US National Park Service are marking the occasion by organising events at battlefields, historic sites and parks.
One hour from Washington, DC, stay overnight ($197) in an English Tudor country house that resides on land once owned by George Washington.
Beyond the deluxe hotels and futuristic shopping malls, the Middle Eastern city retains seductive charms and a treasure trove of archaic spice souks and date palm gardens.
Gay-friendly hotels are going high-end, with new boutique properties that offer a luxury experience, plus amenities tailored specifically to gay travellers.
Musicians are no strangers to travel. But now several mobile rock festivals are putting the trip centre stage with rock cruises and railway-themed band tours.
SlideshowsSeven incredible destinations
...That you may have never heard of
Sydney’s shore as you've never seen
Sunrise scenes from Sculpture by the Sea
In Florida, man v manatee
In Kings Bay, a rare species vies with tourism
Voices of Nassau
Discover life in the Bahamian capital
The romance of 1920s train travel
Journey across Europe and back in time
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