Known to backpackers as the "Steps of Doom," this walkway carved into the side of a seaside cliff leads to the Roman Tombs.

Roman ruins top white travertine terraces formed by ancient hot springs.

This scenic spot is known as the birthplace of Switzerland.

What was once believed to be a church floor turned out to be the artwork of geology.

Distressing images of the Last Judgement adorn the walls of this medieval sanctuary.

Incredible miniature towns and buildings created and decorated with thousands of tiny rocks.

When the sun sets, the customers arrive—but they’re not human.

A breathtaking viewing platform over the Alps.

Colin Stokes "got a bit carried away" and built a castle that looks like something out of Tolkien.

Walk down these stairs to get an underwater view of Switzerland's Lake Zug.

According to a gruesome legend, an architect sacrificed his wife to build this spectacular, 16th-century cathedral.

These rose marble urinals are the most luxurious loos in Liverpool.

A 15-foot-tall statue of the head of the Sopranos family greets passengers at a train station in southeastern Lithuania.

The oldest residential street in Europe also features an optical illusion.

This lovely little burbling creek is actually a deadly waterway that has dragged down everyone who ever set foot in it.

Natural time capsule containing an alien ecosystem.

This fairy-tale castle would make Dracula (who is said to have been imprisoned there) jealous.

Luminaries of all stripes have sipped strong Greek coffee at this cafe since 1839.

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

Richard III supposedly disposed of his nephews' bodies here in an effort to seal his claim to the throne.

Houses are tucked between, on, and underneath giant boulders.

The kitsch mansion of the former Romanian president Nicolae Ceaușescu features a golden bathroom.

According to legend, this tomb holds the secrets to time travel.

This centuries-old Italian chapel hangs midway down a sheer cliffside.