A curious collection dedicated to human and animal anatomy and pathology.

This miniature take on the Kremlin is one Dutch man's retirement project.

Mosaics created from 11 million cigar bands.

This basement museum explores the art and artistry of fascism.

A sulfuric martian landscape that looks far better than it smells.

An abandoned lighthouse awaits its destiny: being buried under shifting sand.

Steaming blood-red hot spring from hell.

This dramatic sea spire is home to the world's rarest insect and is part of the lost continent of Zealandia.

The jewel of western Mexico's archaeological legacy is this tiered circular pyramid now covered in grass.

A monument to the defenders of the Arctic in Murmansk, Russia.

Closed for decades, this strange symbol of Japan's Expo '70 has finally opened its psychedelic insides to the public.

For over 30 years the walls of this Harlem schoolyard have been a gallery of street art by "Kings and better."

Iconic pyramid from famed British architect Norman Foster designed to represent all of the world's religious faiths.

Picturesque intersection of witchcraft and ancient Christianity.

Mysterious meeting place for UFO hunters near Area 51.

In the middle of an extremely unforgiving and desolate high desert is the most secret military facility in the world.

An eatery for UFO seekers on the Extraterrestrial Highway.

These warring psychedelic crags commemorate an unsuccessful military operation.

An abandoned saucer-shaped monument in the Bulgarian mountains.

Space-age monument to an early 20th-century uprising.

This stunning, out-of-the-way Croatian monument commemorates a community's uprising against occupying fascist forces.

A forgotten monument to Yugoslavian freedom.

Budapest's Communist-era statues, banished to the suburbs.

An Italian hillside ghost town.