Secret Soviet city once home to Russian cosmonauts and space training facilities.

This ancient village and its adjoining cemetery have a beautiful history of death and remembrance.

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

This building holds the embalmed remains of the leader of the Bolshevik Revolution.

There was a top secret plan during World War II to seal a group of soldiers inside the rock.

Single runway interrupted by a busy road that cuts across its middle.

This record setting conveyor belt system can even be seen from space.

A mythical garden that once grew the golden apples of wisdom is said to have existed in this ancient Moroccan city.

The other side is actually green.

Rocky Atlantic beach home to a stunning stone arch.

This ancient structure is widely thought to be the oldest intact pyramid in the world.

An alien landscape of chalk-rock in the Egyptian desert.

Brightly painted boulders scattered throughout the Sinai Desert.

An ancient instrument used to measure the waters of the Nile so Egyptian farmers would know whether to expect famine or flood.

Ozymandias’ time-keeping temple.

An ancient city exhumed from the depths of the ocean.

In the most arid desert on the planet, the world's leading telescope allows astronomers to see more than has ever been seen before.

The largest stone moai on Rapa Nui.

An extensive collection of ancient Egyptian artifacts and mummies.

A crumbling ghost town with prime views of the dam that doomed it.

The water here is so clear you can see the mysteriously sunken ship from the surface.

This 700-year-old Cyprus castle is the birthplace of the world's oldest wine, said to be toasted by Richard the Lionheart at his wedding.

This former Cyprus flight hub is now a crumbling, abandoned ghost complex.

A true treehouse near Hawai'i Volcanoes National Park.