Places Edited by Eric Grundhauser

Remains of Roman amphitheater hidden in a sleepy quarter of Paris.

Remains of a station that only operated for one year.

Three-story concrete ram with a permanent gift shop.

Prehistoric animals decorate this popular outdoor park.

Joe Minter is only doing the work of God in his yard, he says.

Curious cave that stays a cool 56 degrees all year long.

This astonishingly geometric cave has inspired everyone from Jules Verne to Pink Floyd.

The largest catacomb system in the world.

Hand-powered race of alternative forms of transportation.

Mountain where Jesus was first tempted by the Devil.

This golf ball–shaped former desert real estate office now houses a UFO museum.

Eco-friendly island mansion.

Steadily reminding Czechia of its past.

An eerie, derelict amusement park in Berlin.

Lavish royal estate punctuated with heated greenhouses.

According to the Guanches, the aboriginal people of the Canary Islands, the king of evil lives inside this volcano.

Hot springs monkey spa in the middle of Hell's Valley.

On the Hudson resides one of the largest clocks in the world.

Hundreds of antique bank vault locks on display in New York City.

Meet manatees face-to-face at this zoo for native species.

Children's playground hidden under a big pink and blue cap.

An abandoned bait shop with a front lot filled with storage boxes.

The tomb of Increase Mather and his son Cotton, influential colonial ministers obsessed with the occult.

Derelict chemical plant on the North Sea is a beautiful industrial ruin.