Quirky castle designed by the American actor best known for portraying Sherlock Holmes on stage.

A religious-themed park filled with folk art to bring biblical stories to life that fell into disrepair and now being restored.

A piece of stonework relief commemorates the site where the Devil's rage, and odd apparel, destroyed a house.

The spectacular and eerie moss-covered grave site of 19th-century Belgian merchant.

The legendary giant's severed hand sits on Antwerp's popular shopping street.

This futuristic German television spire is actually the world's largest digital clock.

Twisted buildings adorn the banks of the Rhine river.

Residing along a busy thoroughfare, this sculpture urges passersby to consider the future.

The final resting place for a wealthy Roman family, this tomb might be the best preserved of its kind outside Italy.

A church filled with the bones of hundreds of virgins martyrs—or so they say.

Once the legendary capital of the Dacian Kingdom, this city has been reduced to mere ruins.

This hauntingly beautiful cemetery outside a medieval citadel is full of winding paths and ivy-covered graves.

A fire once nearly devoured this gorgeous 14th-century Gothic cathedral.

Something's watching you.

This massive underground salt mine now holds a sci-fi theme park in its depths.

The history of drinking is told through 1,800 cups, chalices, and glasses at this exhibit.

An icon of the city, this chapel features an amazing dome ceiling and offers panoramic views.

This chapel is the site of a yearly pilgrimage that originated during the Middle Ages.

The medieval town's star-shaped walls are geometrically dazzling, though not entirely impenetrable.

"Portugal's Stonehenge" is made up of nut-like stones aligned with the heavens.

This once-forgotten oasis in the middle of Lisbon was first created over a century ago quite by accident.

This small chapel is built of human bones and decorated with a golden skeleton.

This beautiful, historic church looks like something out of a simpler past.

These enlarged egg sculptures represent the native birds of eastern Iceland.