A stealthy Apache hideaway that became the haunting site of a mass grave.

These eclectic homes nestled into the cliffs of a Caribbean island were built entirely from scavenged materials.

A vast overgrown cemetery, once known as one of London's "Magnificent Seven."

Unexplained bald patches in the landscape grow and recede over time, as though they are somehow alive.

The remains of diamond fever taken over by the desert.

This "dead marsh" sits among the largest sand dunes in the world, a forest frozen in time.

Bizarre living fossil only grows in a small chunk of the Namib Desert.

The largest known meteorite on Earth was too big to move.

Mined to a depth of 240 meters with a perimeter of about 1.6 km, the largest hand-dug excavation in the world.

The tallest residential building in Africa is an unsettling Brutalist monolith.

A South African bar inside a hollowed out 6,000-year-old Baobab.

Once living up to its name as the grandest hotel in all of Africa, the Grande Hotel is now home to a community of squatters.

A mysterious light in the wood, rumoured to be the the ghost of a railroad brakeman.

A white oak with property rights.

Bohol's mysterious brown hills.

Denmark's famous pseudo-hill.

Running since 1864, this clock has yet to be wound, one of the longest-running science experiments known.

Known for the tunnel that leads visitors to the water.

Highly spherical boulders on the shores of New Zealand.

Some of the clearest water anywhere in the world.

A perfect turquoise lake colored with glacier dust.

The Dalai Lama named this New Zealand landscape the "Spiritual Center of the Universe."

This strange geological landscape erupts with sudden bursts of water.

The world's only complete colossal squid specimen is on display at the Te Papa Museum.