A fortress off the West coast of Portugal that dates back to 1502.

This surreal-looking tree pruned more than 1,000 years ago is still producing olives for oil.

Despite its grandiose name, this enigmatic first-century void under the town is no cave, and it's possibly not a palace either.

Mysterious face-like images that appeared within an Andalusian house are surrounded by legends of the paranormal.

This small Spanish village still pays homage to the Spaghetti Western films that were shot there in the 1960s.

Translating as "The Jump of the Girlfriend," this stunning waterfall has a tragic legend behind it.

Abandoned Nazi train station turned underground astroparticle laboratory.

A gravity-defying "devil's bridge" that has a surprising architectural feature for its stability.

The lost Latin words were reconstructed using the holes from the nails that once pinned them in place.

100-windowed castle turned art gallery, built by one dedicated mason.

This French anatomy museum greets guests with a skinless man, mid-shovel.

This plaza is home to a number of works, including Montpellier‘s own Arc de Triomphe.

This garden houses the remains of the ancient Greek port of Marseille.

This modern museum of Mediterranean culture is surrounded by a surreal concrete honeycomb.

These quaint French houses dangle precariously over a precipice.

Whether hero or rogue, his silver bullet is said to have taken down the murderous "Beast of Gevaudan."

700 iron sculptures crammed into a Mediterranean park.

The Nobel-Prize-winning author of The Stranger is buried beneath a simple gravestone in a sleepy French village.

Thousands of flamingos and other bird species flourish in these Camargue wetlands.

This salt marsh in Southern France is as pink as the flamingos that inhabit it.

Exquisite examples prehistoric bas-relief carvings.

This famous writer's tombstone is a literary pilgrimage site that was publicly defiled by a rival.

This stunning natural double arch, the largest in the Alps, went undiscovered until 2005.

This French ghost town from World War II has been left as a memorial to German atrocities during World War II.