A striking symbol of the Bulgarian capital.

This building has two facades of clashing architectural designs.

Sofia's legislative center is continuously reinventing itself.

"Holy Wisdom" overlooks the city that became its namesake.

A treasure trove of pathological, forensic, parasitological, and anatomical specimens.

A small 12th-century temple surrounded by waters believed to have curative properties.

Hoax, mistake, or evidence of dinosaurs in human times?

A battle between nature and architecture in the Cambodian jungle.

A secluded, little-known temple hidden amid the dense jungle.

Though it was originally dedicated to the Hindu god Shiva, Baphuon was converted to a Buddhist temple in the 15th century, complete with a massive hidden statue.

5,000 skulls in memorial to those killed by the Khmer Rouge.

Order your phở stir-fried, sans soup.

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

For true northern-style phở with broth as clear as consommé, hunt for this restaurant hidden within a residential home.

Unbeknownst to many, this fountain was erected as a tomb and still holds the remains of a Frenchman.

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

Twice a day a speeding train passes only inches from the homes of this residential neighborhood.

Under Hanoi’s medieval citadel sits a secret military headquarters from the final years of the Vietnam War.

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

A gift from the Soviet Union in the 1980s, this is the only statue of the Soviet dictator in Southeast Asia.

Across this single-file rope bridge is what has been claimed to be the edge of continental Asia.

Singapore's oldest Hindu temple.

This $62 million dollar temple was erected to house one little dental fragment of religious history.

A giant baby floats in the middle of Singapore’s nature park.