This centuries-old gothic monster has been converted into a sprawling, glossy bookstore.

A large measuring stick marks the lowest point of a country that is partially under sea level.

Birthplace of the "Cat in the Cradle" and a cluster of iconic, original windmills that let the Dutch tame the seas.

A 16th century chapel decorated with bones, skulls, and entire bodies hanging from the wall.

Eat the ultimate iteration of Portugal's most beloved pastry.

A king's pet, a pope's gift, an artist's inspiration, and a tragic shipwreck.

In Portugal, a secluded stretch of untouched natural beauty hides at the bottom of a steep hill.

One Portuguese poet described this cape, the westernmost point in mainland Europe, as "where the land ends and the sea begins."

An ancient and majestic fortress that played an integral role in Portugal's road to independence.

This eccentrically decorated palace is replete with grottoes, fountains, tunnels, and caves.

This unreal Portuguese palace looks as though it's made from a pile of different castles.

At night, bats patrol this magnificent 18th-century space in search of book-eating pests.

This bird-loving brewery is situated in an old municipal bathhouse, nestled beside a 300-year-old windmill.

This bike path was sunk below water level for maximum wonder.

Part modern art project, part traditional chapel, this see-through church is only substantial from the right angle.

A Belgian self-built tower inspired by the Bible and ancient civilizations.

Local legend says Isaac Newton built this footbridge without any screws, bolts, or nails.

Numberless clock creates a meal of time for the dreaded, insectile Chronophage.

The Cambridge pub where Francis Crick announced that he and James Watson had discovered the DNA double-helix.

Vast fan-shaped British cemetery honouring American servicemen lost in World War II.

A whimsical bridge adorned with decorative dragons.

This one-time health resort was used by aristocrats around the world.

This massive subterranean fissure is known as the "underground Grand Canyon."

Castle and secret tunnel withstood a siege until its owner was killed by the Holy Roman Empire, while sitting on the toilet.