Take a few seconds to look at this abandoned, art-filled station as you pass by on the subway to Ueno.

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

A bibliophile's heaven that contains hundreds of bookstores, offering over a third of secondhand books for sale in Tokyo.

This subterranean spot might be the epitome of Japan's baroque, retro coffee houses.

After being lost for decades, this striking mural depicting the atomic bomb covers the wall of a busy Tokyo metro station.

A giant robo-cockroach building devours Tokyo.

Meet the world's longest tapeworm in a collection that really gets under your skin.

This bizarre residential building is the masterpiece of Von Jour Caux, the “Gaudí of Japan.”

This Japanese Manneken Pis gets new outfits for every occasion.

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.”

Tokyo’s only Ainu restaurant serves Indigenous food from northern Japan.

Unbeknownst to most passersby, this marble statue standing outside an office building is a genuine piece of second-century Rome.

A lonely chimpanzee lures you into a narrow alley leading to this hidden shrine.

This wild explosion of color on a disused water tower tells the whimsical tale of a curious puffin.

Giant topiary dog once played a role in a terrorist bomb plot.

Two towns are linked by an engineering marvel masquerading as a boring suspension bridge.

The walls of these four caverns are filled with art that dates back to the earliest human presence in Europe.

These primitive rock paintings include a very beloved depiction of a woolly mammoth.

A magnificent place to see authentic paleolithic cave paintings that are an astounding 33,000 years old.

The closed and crumbling Francoist luxury resort for workers is still full of life—for now.

Explore an eerie, abandoned medieval citadel.

This historic streetcar system has been running since the 19th-century.

This small Japanese street is lined with figures, sculptures and a shrine dedicated to frogs.

This truly palatial work of Communist-era architecture now sits crumbling on a Croatian beach.