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

Kenya’s oldest town is more than 700 years old and home to 6,000 donkeys.

Kenyan restaurant is a carnivore's paradise, serving exotic meats at its ultimate 'Beast of a Feast.'

Strange sandstone canyon known as the "place broken by itself."

Abandoned city hidden from the world by tropical forest and isolation on the coast of Kenya.

Just outside of Nairobi lies a large estate surrounded by endangered Rothschild giraffes, who have been fed from the window by Mick Jagger and Walter Cronkite.

A salty cave excavated by elephants and the location of a deadly disease vector.

Human ancestor’s 3.6 million year-old footprints.

This rare volcano spews the strangest and (literally) coolest lava in the world.

A salty red wasteland in Tanzania is a breeding spot for endangered flamingos.

Vietnam's feral abandoned water park offers access to a post-apocalyptic funscape, now with fewer crocodiles.

A condom-covered Thai restaurant that is more concerned with birth control than food.

Derelict airplane bodies serve as both home and income for three Thai families.

World's largest cave was only discovered in 1991, and now offers tours to the public.

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

This impressive clifftop temple was once at the center of an international custody dispute.

An abandoned Cambodian resort that mirrored the downfall of the country as it was happening.

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

A battle between nature and architecture in the Cambodian jungle.

A former French military respite turned jungle tourism hotspot.

An abandoned 1920s school with a mysterious history.

A spooky and decrepit mental health facility is slowly being replaced with newer digs.

The ruins of a Massachusetts prison farm can still be found crumbling the woods of a state park.

Site of a famous 19th-century transcendentalist utopian community, now abandoned.