The highest peak in Wales is said to be the final resting place of a giant killed by King Arthur.

Buildings from the fictional planet of Tatooine still litter the Tunisian desert.

A set of ancient drawings in the desert of Peru that are so massive, many of them can only be fully seen from the sky.

This grave marks the final resting place of a legendary frontiersman... unless it doesn't.

The fictional star of "Breaking Bad" is memorialized with a real-life gravestone in his hometown.

Along the old Route 66 is an abandoned trading post made from old telephone poles, built by a former circus clown.

The former Nazi concentration camp stands as a museum to remember this dark chapter in European history.

The rusting remains of the largest assembled WWII fleet on the West Coast.

While exploring the desert, you can stop by the home of a fictional heretic from a parallel universe.

A ghost town that held steady longer than most, but finally gave up the ghost.

This retro underwater observation tower would make the perfect lair for a sea-loving villain.

No telescopes, no power, no gift shop: The Observatory of Chichen Itza, one of the world's oldest observatories, takes astronomy back to basics.

An abandoned Jazz Age dream home and con man's hideout in Death Valley.

On a barren hillside in the Yucca Valley, the recently restored Desert Christ Park has attracted pilgrims and kitsch hunters for over 50 years.

Nearly 300,000 acres of wildlife, natural splendor, and a hidden ghost town have been designated a national monument.

An unrealized dream to wirelessly electrify the entire Earth.

A striking, menacing sandstone peak towering above a landscape that's equal parts Mordor and the Moon.

A historic observatory precariously perched at the "Top of Europe."

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

This charming wooden church was disassembled and moved not once but twice before settling in this Prague garden.

The stately remains of Llywelyn the Great's mighty fortress.

A stunning silver lining to global warming's gloomy cloud.

Hidden beneath the famous St. Peter's Basilica is a veritable city of the dead that may hold the remains of St. Peter himself.

A fairytale island floats in the middle of Italy's little-known Lake Orta.