This colorful artistic feature atop a Danish art gallery allows visitors to stroll through a rainbow.

The de facto symbol of Copenhagen is this bronze fairytale which cannot seem to keep its head for very long.

This famous bridge twisted itself into oblivion, but not for the reason you might think.

World War II bunker still standing on the New Jersey beach.

This chimerical bridge/tunnel appears to dead end right into the sea.

This poignant sculpture of a gnarled weapon is a symbol of non-violence.

Two geological phenomena in one precarious locale: a towering stone window, and a deep blue void.

Abandoned Roman Catholic chapel abused by Satanists before being restored.

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

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."

This subterranean necropolis holds three floors of antler-dug grave caves.

Stone Age solar temple is aligned with the sun on each equinox and solstice.

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

This Italian-style temple replica has been threatening to fall off the Irish coast for hundreds of years.

A museum marks and documents the site of the Titanic's launch.

The ruins of this medieval castle in Northern Ireland have inspired artists from C.S. Lewis to Led Zeppelin.

Northern Ireland's Brobdingnagian stepping stones.

The atmospheric road was never meant to be so creepy.

Pilgrimage site for star-crossed lovers.

Thousand-year-old Viking runes adorn an ancient Greek lion at the entrance to the Venetian Arsenal.

This floating sculpture of ice is a poignant reminder of nature's power.

The design of this beautifully crafted building was inspired by Norwegian glaciers.

One man's exploration of the human form, including the bizarre and delightful "Man Attacked by Babies."