This sprawling bookstore spans four floors and has more than a million books in stock.

Admire the art and then buy a raccoon skull cleaned by flesh-eating beetles.

Discarded animal sculptures stand forgotten by an abandoned aquarium and water park in Bosque de Chapultepec.

At this unique farm, you can interact with adorable donkeys and view an ancient dolmen.

A once drab public housing estate is transformed into a colorful gallery of trompe l’oeil murals.

Hundreds of prehistoric stones, arranged in perfect lines in a French field.

One of the great treasures of Neolithic art lies within this carefully constructed pile of rocks.

A 14th century bridge built as a fortress, where the devil lurks on one of its towers.

The ruins of a medieval castle linked to the murderous French lord that inspired the famous legend of Bluebeard.

Massive puppet-automaton machines created by French artist collective Machines de l’Ile.

The largest underground church in Europe.

A beautiful and classically designed villa, with an hourly infestation of monsters.

This 1,400-year-old abbey was once a powerhouse for music and intellectualism known across Normandy.

Historic medieval fortified city in southwest France.

Green labyrinth formed by a karstic maze hidden in a preserved oak forest.

A medieval church built into an ancient cave.

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

A huge Megalithic chamber tomb located behind a cafe.

Climb right into the heart of this colorful Iceland volcano.

Iceland's "Smoky Valley" is a beautiful river that is shrouded in a constant cover of steam clouds.

This fantastical waterfall is hidden in a cave located in a cracked cliff.

Iceland's largest lagoon is home to stunning multi-colored icebergs.

The oldest church in Iceland is one of the few to feature ornate decoration.

Vikings and Evangelicals have both had a hand in this replica medieval church.