It's always game time at Stockholm's only museum devoted solely to video games.

Three rooms of bones, curios, and one artist's collection of natural artifacts create this intriguing museum.

This secret collection of the strange and occult was rediscovered in a forgotten room of an old house.

A charming Spanish village sits atop this natural limestone overpass.

Hidden in a grotto 26 feet below Nottingham's oldest hotel, this stylish subterranean drinking den is notoriously hard to find.

What was meant as an innocent piece of art has earned a reputation as the "mansplaining sculpture."

Devilish masks, handicrafts, and pieces of old buildings create a snapshot of life in a historic Alpine region.

A spectacular rainbow of stained glass makes the "Pink Mosque" one of the most beautiful in Iran.

One of the smallest bookstores on the planet.

The romantic botanic tunnel feels like a well-kept secret.

This old wooden funicular railway leads to a cemetery in the forest.

An off-the-beaten-path place to literally hang beneath Milwaukee's Holton Street Bridge.

Though strikingly beautiful, Seattle's other railway station is now largely forgotten.

The last working windmill in the U.K. that has eight sails.

What looks like a normal building is really a hollow facade hiding a subway vent.

A fearsome dragon clings to a corner of Munich's city hall.

Just a man taking his prehistoric pet for a stroll.

South Korea's largely symbolic, barely used gateway to the North.

The spot where the two men ate together now stands enclosed in glass.

A magnificent mansion hides a delightful collection of historic timepieces.

One of the most elaborate displays of Jellyfish is on display at the aquarium.

This Cold War missile launch site has been abandoned for 40 years.

Yup, that's a 330-foot yacht passing over the highway.

A striking sculpture built to honor the women of the Lakota and Dakota Nations.