This collection of over 50 murals celebrates Brussels' rich history as the self-proclaimed home of the "comic strip."

The wartime boat shelter now doubles as an underground concert hall where musicians play on rafts along the waterway.

A glittering Thai Buddhist temple in suburban Pennsylvania.

What was once the longest suspension bridge in Latin America was directly inspired by the iconic Brooklyn Bridge.

The cave holds a spectacular array of stalactites and stalagmites, including one shaped like a giant human heart.

Large, airy hallways hide within an impenetrable fortress that beckons urban explorers.

Every summer, an open-air swimming pool appears at the base of a Finnish city's beloved winter attraction.

The designated Jewish quarter in Fez dates back to the 15th century.

This abandoned prison castle has become an imposing gallery of graffiti art.

A haunting, yet lovingly hand-hewn potters' field full of graves that flood with each heavy rain.

After the parade, students throw their beads on the tree hoping for good luck on exams.

Tiny historical streetcars wind through a small scale version of Crescent City in this whimsical train garden.

The only rotating bar in New Orleans has been slowly spinning since 1949.

Made of giant chains and hung with shackles, this iron cross honors those unknowns who perished under American slavery.

This "second" cemetery represents New Orleans' attempt to keep cholera at bay.

The crumbling remains of a 19th century fortess.

In 2010, Nicolas Cage purchased two plots in this cemetery using one to construct this strange pyramid mausoleum.

New Orleans' famous cemetery, located on the site of a former race track.

This historic "City of the Dead" lies prominently in the center of New Orleans' famous Garden District.

A collection of oddities including Dr. Kevorkian's suicide device, the Thanatron.

This New Orleans tree is filled with hidden chimes that produce a carefully tuned melody.

The oldest cemetery in New Orleans, resting peacefully for over 200 years now.

A theme park that suffered massive flooding during Katrina was abandoned, and now proves irresistible to trespassing explorers.

Better known as the "Body Farm," this unique research facility has been studying how human bodies break down since the 1980s.