A huge Megalithic chamber tomb located behind a cafe.

A unique zoological park home to over 30 species of wild cats, both big and small.

Bordered by forest on three sides and the ocean on the other, the Great Dune of Pilat is the highest sand dune in Europe.

Tens of thousands of ancient rock carvings hidden in the heart of a French national park.

Ivy-covered Medieval tunnels cut through this charming town in France's Loire Valley.

This French castle is said to have once held the Holy Grail but is now a gorgeous mountaintop ruin.

A natural arch carved by a river gave its name to the so-called "Cave of Forgotten Dreams."

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

An icy lake tucked among jaw-dropping alpine panoramas.

Ancient paintings known as the "Sistine Chapel of Cave Art."

Statue of death tucked in the University of Medicine courtyard.

A Parisian cemetery where the elite and artistic are interred beneath an eccentric collection of tombs.

This museum houses an imposing skeleton army comprised of creatures great and small.

A haunting collection of the vanished and disappearing natural world.

A horde of stray cats rule in this secluded Parisian cemetery under a bridge.

This 1,300 year old monastery built atop a single rock was once only accessible depending on the whims of the tide.

France's most famous cemetery, with some of its most curious tombs.

The vast, legendary catacombs hold secrets much stranger than stacked bones.

A traditional American farmhouse plopped in the middle of a Piccadilly courtyard.

A hidden tunnel leads to an abandoned slate quarry that's now a secret swimming spot guarded by cliffs.

This historic factory peddles classic toys from the picturesque English county of Devon.

A wonderful safe haven founded in the 1960s to rescue endangered monkeys from the pet trade.

A unique journey back in time to an early 20th-century fairground.

It houses a menagerie of wondrous taxidermy specimens from around the world, including the remains of a famous gorilla.