Angkor Thom was the last great capital of the Khmer Empire, established in the late 12th century under King Jayavarman VII in what is now northwestern Cambodia. Enclosed by massive stone walls and a wide moat, the city was designed as both a political center and a sacred landscape, symbolizing the cosmic order of the Khmer worldview.

Key Biscayne is a tropical island paradise located just six miles off the coast of Miami. This world-class resort community is a place where you can lie back in a hammock and listen to the rustle of palm fronds in the ocean breeze or stroll along the calm sandy Atlantic shore.

Located on a trade route to Lithuania and Russia, Lublin was already an important center by the time it received its municipal charter in 1317. The city still remains relatively unknown to foreign tourists. From the original defense walls and the Krakow Gate, the remnant of Lublin's medieval wall system to the town hall and the Renaissance burgher houses in the Market Square, Lublin offers numerous visual delights.

Gamboa, Panama, was originally built to house employees of the Panama canal. The small town's main attractions are its proximity to significant tracts of relatively undisturbed rainforest, and Pipeline Road, considered one of the best bird watching sites in Central America.

If you find yourself in Rotterdam, there's a strong chance you've arrived by water. This popular port city (the second largest in the Netherlands) has gone through an architectural renaissance since World War II, with daring, innovative structures dotting the city (cube houses!) and defining its skyline. Café culture is on the rise here, so grab yourself a table and a cup.