An Art Nouveau gem hides beneath the layers of city grime obscuring this once-magnificent building.

Step back in time and witness the fall of Constantinople.

A marvel of Byzantine engineering under the streets of Istanbul.

This observatory within Europe's first dark sky park offers stunning views of the night sky.

This monument depicts a harrowing event involving an escaped polar bear.

This mountain is one of the largest in Scotland but is better known for its hollow insides.

A carved bench marks the Scottish cave that inspired the classic adventure novel "Treasure Island."

A cross marks the spot in a small Scottish village that claims to be the exact center of the country.

A bronze tribute to the wildly popular video game from the '90s.

This retro underwater observation tower would make the perfect lair for a sea-loving villain.

A 59-ft. robot statue looks over the citizens of earthquake-ravaged Kobe.

Colloquially known as “piss alley,” this narrow street filled with tiny bars and barbecue stands looks like it was pulled straight out of “Blade Runner.”

A giant robo-cockroach building devours Tokyo.

An unexpected curiosity cabinet hidden within a department store in the Japan Post tower.

Giant animal sculptures are created with the rice straw leftover from the fall harvest each year.

The divine septet of Japanese fortune gods are rendered in 1,000 year old wood at this peaceful site.

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

A rare festival blending religion, blacksmiths, vagina dentata, sex workers, and the straight-up facts of life.

Peace Park and the Atomic Bomb Dome.

The bartenders at this crime-fighting theme cafe are actual private detectives by day.

This isolated Japanese mountain village untouched by time showcases unique and stunning traditional architecture.

Serving you alcohol with a side of insanity. Also, costumes!

Abandoned Japanese ghost town gives a glimpse into what our own metropolises may leave behind.

We heard you like volcanoes so we put a volcano in your volcano so you can die for sure...