This 15th-century cave complex is one of the very few monasteries to stay open throughout World War II and the Soviet regime.

A futuristic, brutalist masterpiece that is also strangely prison-like.

This massive monument was unveiled the day Kosovo declared independence from Serbia.

One of the best-preserved Roman amphitheaters is still used today, but for less brutal events.

This picturesque monastery at the base of a cliff is a peaceful oasis open to all visitors.

For over 40 years, this quaint little house has teetered on a rock in the middle of a river.

This colonial fort is an intriguing example of Renaissance military architecture.

This stunning mountain lake was named for a pair of tragic lovers whose statues stand at the center.

One of Vietnam's most iconic landmarks was built by Japanese traders and is now in danger of sinking.

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

Abandoned ships along a deserted beach feel like the set of a post-apocalyptic thriller.

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

Khmer Rouge's high security prison.

This Cambodian riverbed is covered in ancient Hindu carvings both above and below the waters.

A battle between nature and architecture in the Cambodian jungle.

This fort dates back to 1588 and was colonized by the Portuguese, Dutch, and English and sits prominently on the Indian Ocean where azure water lap the coast.

This street has over a half-dozen names, all at once.

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

Monumental sculptures guard many of the graves, transforming this necropolis into an open-air fine art museum.

The largest covered bazaar in the world.

This remote mountain shrine is one of the most sacred Zoroastrian temples remaining in the world.

This bike path traverses the treetops.

Too much gossip or just missing curfew could land you in here for a couple of days.

The 700-year-old fortress was the site of Count Orlok's castle in "Nosferatu."