A strange and ancient landscape hides the dark, cavernous remains of a 5,000-year-old flint mine.

A 14th century castle built on the seat of a mighty giant.

Stocking up on the world's best beer requires a pilgrimage to a monastery drive-through.

This 21st century cabinet of curiosities includes dinosaur bones, moon rocks, film memorabilia, and more.

To enter this cluttered-yet-cozy sanctum of Belgian brews, ring the bell and tell the gatekeepers you've come “to taste beer.”

Inside this mansion turned museum, the works of prominent Croatian artists are on full display.

A local student's chance encounter with Keith Haring led to the creation of one of Europe's largest murals.

A historic holy well hidden near a charming English park.

An 11th-century runestone decorates the halls of Terminal 2 of this Scandinavian travel hub.

This tribute to the 16th-century composer is now an unusual shrine to Michael Jackson.

A magnificent collection of imperial armor and weaponry.

A reproduction of the famous prehistoric cave paintings is hidden underground at the National Archaeological Museum.

The abandoned club hides in the hills of Ibiza.

These quintessentially English stepping stones were built for Victorian tourists.

This castle has links to Portugal’s founding and struggles for independence.

In Spain, the ruins of a Roman military camp sit along a flooded section of a river.

This once-controversial and slightly confusing statue of Achilles was built out of captured cannons.

This tangled English forest looks like something right out of a fairytale.

This 18th-century former mosque held the first Hellenic Parliament.

The bronze uniforms commemorate the vital role of women during World War II.

Claude Monet was baptized in this lavishly ornate Paris church.

This king penguin is a knighted brigadier of the Norwegian Army.

A tiny park off the beaten path covered in ingenious scrap metal sculptures.

The mummified remains of Dashi-Dorzho Itigilov, Russia's most important Buddhist.