Rome's semi-secret peephole vista is also a former Crusader stronghold.

The yawning maw of this pagan visage is said to bite off the hands of liars.

Inside this mansion turned museum, the works of prominent Croatian artists are on full display.

An ancient knight and a symbol of the city's freedom.

Gargoyle head that brings good luck.

Memorial to the father of the Republic of China.

Enormous pendulum helps keep Taiwan's tallest building from swaying.

Only through deep darkness and tragedy did this elaborate royal palace become a sacred temple.

The world’s largest work of glass art hides in this stunning Taiwanese subway station.

This collection of lakeside pagodas and temples are flanked by giant lions, tigers, and dragons as well as their welcoming maws.

This attraction is part anthropological journey and part amusement park.

An extraordinary natural landscape of mountains, waterfalls, and rocky cliffs riddled with tunnels.

An Austrian house of bones filled with hundreds of intricately painted skulls.

The world's oldest known salt mine.

The largest ice cave in the world is thought to be the entrance to hell according to Austrian legend.

Trick water gardens from 1619 featuring a 200 piece mechanical theater powered by water.

Ride a dragon train into a world of dwarves.

The fairy tale castle of the "fairy-tale king."

Once a black market electronics marketplace, now an otaku shopper's paradise.

This little replica of Lady Liberty provides a bit of NYC in a Japanese city.

A 20-meter (65-foot) robot towers over Tokyo Bay.

After a profound show of devotion for his master, a dog becomes the symbol of loyalty for an entire nation.

The celebrated eyesore created by starry-eyed sweethearts.

Abandoned railway line circling the city of Paris.