"In the Dark" Restaurant in Paris offers dinner in complete darkness.

This statue was given to France by the United States to commemorate the centennial of the French Revolution.

This Parisian café sticks almost exclusively to an ethos of reuse.

Notorious artist squat renovated into legal studios.

The vast, legendary catacombs hold secrets much stranger than stacked bones.

This Dutch art piece became a Russian icon.

An impressive array of unique homemade planetariums.

A 1:20 scale piece of the Netherlands commissioned by a queen lets visitors take a stroll as giants.

The bridges portrayed on EU currency aren't fictional anymore.

Devious political maneuvering and four ancient, working telescopes are central to the world's second-oldest observatory.

A 'living museum' in Leiden, the oldest of its kind in the Netherlands.

This functional solar system model was inspired by the famous Eisinga Planetarium.

The largest dinosaurs in the world, kissing above the highway.

Hidden behind musical flora and forgotten for over a thousand years, this cave is now a neon dream.

Discovered after draining a local pond, these ancient man-made caves are still a complete mystery.

China’s breathtaking futuristic library is lined floor to ceiling with fake books.

Jurassic theme park in the small town of Erlian.

The tallest stationary dunes on Earth also happen to sing.

Why walk on this historical site when you can zoom down instead?

Mirrored floors and arched shelves create the illusion of an infinite tunnel of books.

These layered sandstone mountains in China look like they are made of pressed crayons.

This psychedelic tourist trap is a leisurely descent into madness.

A canvas of crops grow from vibrant red soil in this terraced farmland.

This vertical pinnacle in China was the inspiration for the floating mountains in the movie “Avatar.”