Places elkeundmarco Wants to Go

This Navarrese cave's history of witchcraft and pagan ritual is not just embraced, but recreated each year.

Eccentric sculpture garden brings Basque mythology to life.

This crack in France's seaside cliffs once hid a sinister secret.

This religious complex carved into a cliff is steeped in legends of miraculous stags and the Holy Grail.

Abandoned Nazi train station turned underground astroparticle laboratory.

This narrow path was cut right into a French mountainside to feed the country's early naval expansion.

A Franco-era dam flooded (almost) everyone out of this centuries-old Aragonese town.

Abandoned blockhouses from Nazi Germany's Atlantic Wall erode into the sea on a French beach.

A waterfront landing pad designated for unidentified flying objects still awaits its first guest.

Lady Liberty's original designer installed a little clone in this French fountain.

Fighting the British and making game shows for over 150 years.

Under the streets of La Rochelle, a former wartime bunker holds some surprising secrets.

A massive base for the Nazis' most formidable weapon in the Atlantic.

A museum dedicated to the Spanish occult in a town that was terrorized by the Inquisition.

Morocco's Argania trees are infested with nut-hungry goats.

The largest cactus farm in Africa.

When a supermarket opened up shop within a medieval building it became protected by UNESCO on a technicality.

One of the world's oldest olive trees, thought to be over 2,000 years old.

The hairpin turns in this mountain road take the shape of a letter—is it a coincidence or a symbol of love?

Former military fort and site of untold horrors during WWII, this island may become the Adriatic's next luxury resort.

A curious cave church carved into the face of a cliff.

This abandoned prison was so notorious that its name has become a metaphor throughout Albania.

Once a safe haven for locals engaged in blood feuds, this 400-year-old fortified tower is now a museum showing what life was like for those lying in wait within its walls.

According to a local legend, this old castle could only be built after a woman was immured in the walls.