Extraordinary sculpture garden created by an eccentric English poet.

These azure waters were thought to lead to the Mayan Underworld.

Though its branches are painted bright colors by generations of locals, the tree is said to be a haunted portal to hell.

A real-life Professor Snape once taught in this Welsh university building, which students of course nicknamed “Hogwarts.”

An immersive environment that is part haunted house, part choose-your-own-adventure, and part jungle gym.

These Pre-Columbian petroglyphs contain representations of birds, deer, hunters, and even some early Native flute players.

Twenty-seven massive radio antennas on the high plains of New Mexico search for life on other planets.

This fast-food outlet is the only space and UFO-themed McDonalds in the world.

The medieval castle built as headquarters for the Pope's secretive Knights Templar.

This shell of a historic manor house on the Isle of Wight is said to be the most haunted site on the island.

Shakespeare, David Bowie, Dr. Who, the Saxons, Druids and Romans are all claimed to have all made their mark on these massive man made tunnels.

Non-profit time travel mart sells goods you would need for a trip through the fourth dimension.

This national park on the shore of Lake Michigan features remarkable dunes that lie at the heart of a Chippewa legend.

A museum dedicated to the alleged Roswell Incident.

Explore the largest pure gypsum deposit in the world, and go dune sledding while you're at it.

Home of the International Space Hall of Fame.

A clear blue swimming hole with hidden caves, still unexplored.

A multi-storied adobe complex has been inhabited for more than a thousand years.

A phenomenal assembly of pueblos in New Mexico is the most complete example of ancient ruins north of the border.

This museum started as a collection of Manhattan Projects and continues to add exhibits as they are declassified.

Wedding chapel's mysterious spiral staircase said to be miraculously constructed.

Ancient pueblos built into the base of a natural canyon wall.

Some of the tallest ancient American ruins continue to inspire awe and curiosity.

Ancient human, animal, and geometric figures drawn in the earth.