Catacombs turned marketplace.

Eighty million natural history specimens call this gargantuan museum home.

An abandoned saucer-shaped monument in the Bulgarian mountains.

"Respectful to the dead, safe and sanitary to the living, dedicated to the Genius of Memory..."

A Cold War atomic camp buried under the ice is now emerging because of global warming.

One small town in the Pacific Northwest transformed itself into a Bavarian-themed tourist destination.

This impressively large collection includes crackers shaped like Jimmy Carter, Mickey Mouse, and more.

Over 75 historically themed murals grace the walls of a small Washington city.

An ancient stone fortress considered by many to be the eighth wonder of the world.

A scattered trail of street art adds a pop of color to the city's stark structures.

Climb this overlooked gem's spiral staircase and you'll be rewarded with spectacular views of Glasgow.

As part of an 800-year-old tradition, a man parades through town covered in a suit made out of spiky burrs.

Marvel at the excessive luxury of the ousted Ukrainian president's former estate.

A quirky collection flush with information on commode culture from ancient times to modern day.

Welcome to the world's only museum dedicated to the Ukranian Easter egg.

When you've got to go, you've got to go.

A trio of colossal statues spread across a Dallas neighborhood chart the emergence of a giant robot born of a locomotive and spilled gin.

This downtown Dallas art installation is always on the lookout.

A silly medieval mural preserved on the side of a Viennese house.

A plaque marks the spot where the saint was shoved off the Charles Bridge and into the river.

Europe's largest natural bridge has a 19th century royal chateau built into its side.

Countless grotesque faces stare out from this eerie Prague art wall.

Macabre astrological automaton clock dating to the late 1400s.

A church of bones, decorated with 40,000 human skeletons.