This huge metal monument is slowly being stripped to its concrete skeleton.

Go through the looking glass in Tokyo's Wonderland-themed shop.

Transport yourself to the 1980s era of video games at this themed restaurant and bar.

These unique toilets feature transparent glass covered in PDLC film.

The world's largest drain sits below the city of Kasukabe, Japan.

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.”

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

A magical place that lets you play in and explore the world of Studio Ghibli.

This spa theme park lets its guests take a dip in pools of coffee, wine, or ramen broth.

More than 100 antique vending machines housed in a used tire shop sell everything from candy to sake and ramen.

If Hello Kitty were Mickey Mouse, this would be Disneyland.

This quirky little private museum is home to more than a thousand stones, carved by nature, that resemble human faces.

A disconnected rotary phone for "calling" lost loved ones offered a unique way of dealing with grief in disaster-stricken Japan.

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

A hidden bar inside an ad agency has a deliberately misleading name, so employees can stay late under pretext of paperwork.

A tiny museum housed in a New York freight elevator specializes in the "overlooked, dismissed, or ignored."

The world’s oldest and biggest bookstore stocking only mystery, crime fiction, espionage, and thrillers.

A Barbary Coast watering hole built into a Gold Rush shipwreck.

A hidden art gallery in an abandoned Warsaw fort.

This hidden collection of everyday objects illustrates life within communist Poland.

Climb this overlooked gem's spiral staircase and you'll be rewarded with spectacular views of Glasgow.

Hidden on a cobblestone street in Glasgow, a Czech Cajovna-inspired teahouse serves as a hangout for Bohemians.

A scattered trail of street art adds a pop of color to the city's stark structures.

A statue honors the children who fought Nazis in Poland.