A memorial to a goat culled during a foot and mouth disease outbreak guards a series of fantastical caves.

An antique narrow gauge railway line still running through the Colorado and New Mexico mountains.

The UFO capital of Australia is the outback’s answer to Roswell.

Conspiracy theories and occult legends surround this mysterious natural rock formation.

A monument to Poland's famous alleged UFO abduction case.

A memorial to a Swedish hockey player's "encounter" with aliens.

This strange moor has a song written about it, Bronze Age carvings, and an alien sighting.

The scene of the United Kingdom's most famous UFO incident, dubbed the "British Roswell."

The site of a mysterious pony massacre is rich with extraterrestrial conspiracy theories.

This spacecraft-shaped water tower is only a part of the mysterious UFO mania in this Brazilian town.

A Swiss man built this airstrip for aliens because a UFO captain telepathically told him to.

A model of a galactic embassy is hidden in plain sight along the highway, proposed by a UFO religion to find the aliens that created life on Earth.

This small town Texas cemetery is said to be the burial site of a UFO pilot who crashed in the 1800s.

The site of the first "historically true" UFO encounter in the U.S.

One woman's UFO-themed campground, complete with self-built energy vortexes, UFO-themed weddings, and magic bushes.

The Denver airport is guarded by a 32-foot-tall sculpture of a demonic horse.

This UFO landing strip was created by a charitable Wyoming city that was worried about residents of Jupiter.

A regular looking rock with an unbelievable history.

A bronze bust commemorates the heroism of the secret agents who led covert operations against the Nazis.

This unassuming tree stump reportedly traces its roots to the famous pharaoh queen's reign.

World's largest carved onyx figure stands as a tribute to enduring peace.

Triangular House built on a leafy residential street in St. Paul.

These curious caverns have been home to mushrooms, gangsters, and disco.

Where the notorious gang lived while on the run from the FBI.