In the remote high desert of New Mexico, a strange array of poles beckon fury from above.

Crouch down, stretch tall, and be sure to flail your legs to pay homage to the Monty Python classic.

Vietnam's feral abandoned water park offers access to a post-apocalyptic funscape, now with fewer crocodiles.

This mesmerizingly colorful pond looks like a scene straight out of a fairytale.

The atmospheric road was never meant to be so creepy.

Soviet intelligence had a keen interest in the Cold War linguistic school at this old Scottish airfield.

An isolated, rusty phone booth commemorates Iceland's first international telegraph cable.

An abandoned railroad tunnel is now filled with bioluminescent bugs.

This natural French spring has been turned into a magical grotto by Roman and medieval constructions.

Icelandic folklore says this giant boulder was ripped from the mountains and placed at its current location, where it became home to elves.

A labyrinth of ancient tunnels hidden below the city holds the ruins of 2,500 years of history.

The ruins of an 11th-century Norman castle with a rare, perfectly circular shape.

There are hundreds of secret WWII bases hidden in British forests. Built to fight a Nazi invasion, they remained unknown for decades.

Strange rock formations tower above the river that snakes through this enchanting Icelandic canyon.

The medieval network of canals hidden underneath the city is opened to explorers each year.

This is not only one of the oldest collections in Europe, but also possibly the most beautiful.