A painfully obvious spy house sits right across the street from the Russian Embassy.

A brick-lined alley full of public artwork tucked away in downtown Gulfport.

A stretch of land where the sour-sweet vegetable is cloaked in darkness and grows so fast you can hear it crack, squeak, and pop.

This banal Parisian entranceway is not what it seems.

A meditative space out of a fantasy story.

A roadside music shop featuring a confounding series of folk art installations.

A multiversal transit station located right below a highway interchange.

This theme park presents 5,000 years of Shanghai history and includes a "sunken" exhibition hall.

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

A missing Roman legion was recreated in sculpture along a Scottish cycling route.

Mussolini gave Cincinnati a bronze statue of Romulus and Remus suckling at a wolf's teats.

The world's first invisible city square is an homage to a man who pushed the boundaries of art.

Cartoon clouds and nature-inspired murals have transformed the streets of Kuala Lumpur.

This charming cobbled backstreet is the most Instagramable street in Paris, much to the residents' annoyance.

Sunset-colored dunes of volcanic ash make taking a poor photo impossible.

An abandoned fish-shaped drive-in gets a second life as a restaurant.

Steampunk, humanoid sculptures crawl on all fours in a Tokyo plaza.

This Alamo Square mansion is rumored to have hosted satanic rituals and other occult practices.

A little-known occurrence of fossil wood in northern Washoe County, Nevada, near the Black Rock Desert.

A modern, secular take on a traditional Virgin Mary motif.

Step back in time and witness the fall of Constantinople.

This remarkably well-preserved Egyptian plinth is pretty well traveled for a giant piece of stone.

This 1967 experiment in modular architecture was designed to be a new model for urban living.

A small town built on an abandoned airfield has former runways as streets and a bar and grill in an old airplane hangar.