One of the largest aviation events in the world brings half a million aircraft enthusiasts to Wisconsin each year.

The museum houses one of the world's largest collections of glass paperweights.

A 19th-century relic of timekeeping.

A peculiarly shaped brass sculpture hidden in a courtyard in central Lviv

This unique Lady Liberty is one of the only examples of the figure sitting down.

A battle between nature and architecture in the Cambodian jungle.

Kings Cross Station pays tribute to its role in Britain's best-selling book series.

A Mexican Romeo-and-Juliet-esque legend has given this super-narrow alleyway a reputation for romance.

The former Nazi concentration camp stands as a museum to remember this dark chapter in European history.

The notorious "Hanoi Hilton" where Vietnamese colonial subjects and later American POWs, including John McCain, were imprisoned.

Ho Chi Minh's perfectly preserved body has been on display here since 1975.

Monument to a brutal, ineffectual US bombing campaign and a sobering reminder of the human cost of the Vietnam War.

Home of the unusual art of water puppetry, one of Vietnam's oldest curiosities.

Meant to be a lavish presidential home, the palace became a symbol of the fall of South Vietnam.

A memorial to the monk who set himself on fire to protest the persecution of Buddhists in Vietnam.

A nightmare for the claustrophobic lies hidden in Southeast Asia.

A giant, Gilded Age mansion that once belonged to the beer baron of Milwaukee.

This striking art museum holds an amazing series of curiosity cabinets.

A unique botanical garden housed in three giant geodesic domes.

Built for an exposition in 1915, these horticultural displays have stood the test of time.

One of the largest trees of its kind in California.

Every weekend, people gather here for a brief chance to see their loved ones on the other side of the United States–Mexico border.

A sculpture of the famous photograph stands on San Diego's "Greatest Generation Walk."

L. Frank Baum wrote part of the "Wizard of Oz" series in this wooden Victorian beach resort.