Not one, not two, but three natural bridges remain in this captivating spot post-sinkhole.

A sacred mountaintop temple offers a fine cup of tea to visitors who can survive the journey.

This psychedelic tourist trap is a leisurely descent into madness.

Intensely colorful calcite pools in Southern China.

This vertical pinnacle in China was the inspiration for the floating mountains in the movie “Avatar.”

The world's longest outdoor escalator takes visitors to the top of China's largest dam and is also shaped like a dragon.

A total of 999 stairs lead visitors through a massive hole in a mountain known as the Gateway to Heaven.

Did Inca children also slide down these smooth rocky slopes above Cusco?

Keshwa chaca, among the last handwoven Incan bridges, crosses Apurimac Canyon in Peru.

It's estimated that half of the world's gold was mined from South Africa's "golden arc."

An ancient impact crater on the outskirts of Pretoria.

The subterranean sanctuary home to local shamans is a sacred site for people of all religions.

Caves that can't seem to quit producing the remains of prehistoric humans.

A safari-themed castle in the South African bush with the largest maze in the southern hemisphere.

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

Largest cave system in Africa.

This historic observatory was established to keep shipwrecks from littering the Cape of Good Hope.

An abandoned water park overtaken by the dunes.

Formerly known as the Malay Quarter, Bo Kaap is a colorfully-painted suburb located in the “Mother City” of South Africa.

This African beach is home to thousands of rare mainland penguins that are known for their annoying voice.

Raging waters have created a strange geological site that looks like something off of a progressive rock album cover.

Former headquarters of the KGB.

Moscow's other, lesser known kremlin is a fairytale-like cultural complex modeled after Old Russia.

Dr. Strangelove-esque tours reveal the inside a bunker once reserved for Stalin himself.