Abandoned blockhouses from Nazi Germany's Atlantic Wall erode into the sea on a French beach.

An abandoned set from the 1980 film "Popeye," claimed and repurposed as a theme park by creative locals.

The Jesus tree of Malta bears a striking resemblance to Christ on the cross.

The floor of this spectacular Baroque sanctuary is covered in memento mori.

This unique building in the main square stands out among the city's typically Baroque architecture.

This spectacular dome managed to survive after being bombed in World War II, in an event known as the "Miracle of Mosta."

The fishing boats that moor in this small lagoon enter and leave through a tunnel to the sea.

The bizarre visions of H.R. Giger, tucked away in a Swiss medieval city.

A mythically themed self-built sculpture park.

A nearly 500-year-old sculpture depicts a man eating a sack of babies, and no one is sure why.

Personal garden filled with mosaics made of recycled garbage.

This miniature take on the Kremlin is one Dutch man's retirement project.

The world's first interactive human body museum also serves as a chair for a giant orange man.

This medieval castle was painted pink as part of a now-abandoned children's theme park.

This fairy tale forest hides scenes from some of the more obscure and bizarre Western nursery stories.

This interactive sculpture allows visitors to leave a message in case a friend passes by.

This bronze statue was erected to honor a small Scottish town's beloved stray cat.

Every St. Andrews student knows to avoid this inscription for fear of a martyr's curse.

This stretch of beach along California's central coast is a busy highway for the largest seal in the northern hemisphere.

This narrow Ghent alleyway is an officially sanctioned street art tunnel.

Visitors to this Belgium graveyard are greeted by the grieving stone parents of the young men lost to war.

A massively oversized measuring tape sculpture sits inside a hidden yard.

This fountain of a little boy that spits on passersby at erratic intervals is a town icon.

According to this bar, God gave an “11th commandment” to Antwerp: Thou shalt drink beer.