This submersible road connecting a French island to the mainland is lined with safety towers for when the tide strands travelers.

The soulless eyes of 82 bronze children stare on forever in remembrance of a horrifying World War II massacre.

A monument to the art of slicing people open.

The abandoned zoo enclosures offer a perfect place to experience the other side of the bars.

Remants of foundations, streets, and streetcar tracks inhabit the cliffs where a landslide occurred in 1929.

Oslo's historic toboggan run has been letting thrill seekers slide from train stop to train stop for over a century.

One of the largest amphitheaters in Europe is a former Nazi gathering place that still stands today.

Pick up all of the cosmic knick-knacks under the sun or take a creative writing course, all offered in this novelty storefront.

The graffiti-covered remnants of a former triangulation station are balanced precariously on this California peak.

This centuries-old gothic monster has been converted into a sprawling, glossy bookstore.

This ancient Roman bridge and aqueduct still stands as a wonder of classical construction.

This historic island prison holds one of the dungeons from the Count of Monte Cristo even though it is a work of fiction.

This French anatomy museum greets guests with a skinless man, mid-shovel.

Natural history museum celebrating biodiversity with a parade of taxidermy animals.

A haunting collection of the vanished and disappearing natural world.

Held in an old church, this clockwork museum maintains a special focus on titanic tower timepieces.

Dress up like a miner and take a slide into the disco-lit depths of this once foundational salt mine.

It's always summer at the beach inside this former airship hangar.

This serene oasis in an affluent Los Angeles neighborhood holds some of Gandhi's ashes and got Elvis into Eastern Philosophy.

The world's first ice hotel is still one of the most elaborate and beautiful.

The history of German architecture is explored across this fairy-scale mini-city.

Underneath a chalk hill in France lies what Hitler hoped would be the underground launching base for a devastating new weapon.

A museum that cashes in on its infamous little people while teaching you a thing or two about the Irish fey.

Modeled after a famous church in Vienna, Austria—but in Helena, Montana.