A lonely chimpanzee lures you into a narrow alley leading to this hidden shrine.

Nicknamed the 'Chestergate Hotel,' the underground tunnel had beds, lights, and even flushing toilets.

19th century pendulum and a clock restored by a rogue group of guerilla artists.

High atop the Eiffel Tower is a small apartment built exclusively to entertain the science elite and make the rest of Paris jealous.

One of the oldest medical collections in Europe focusing on rare surgical instruments.

An eerily charming collection of salvaged buildings and curios grown out of a family scrap business.

Home to some of the world’s darkest skies, this project blends ancient Māori culture with world-class astro tourism.

New Zealand's epic shrine to all things puzzling.

The Dalai Lama named this New Zealand landscape the "Spiritual Center of the Universe."

Anyone wanting to know what a dwarven mine sounds like need only visit the tunnels of this New Zealand artillery compound.

Taumatawhakatangihangakoauauo tamateaturipukakapikimaungahoronuku pokaiwhenuakitanatahu.

A galaxy of glowworms—larvae of a gnat—hides deep in the belly of these caves.

This half-ton piece of the Alps sits at the base of the CN Tower.

A Catholicism-themed restaurant where sacrilege is on the menu.

Outdoor art exhibition made of classic Tetris pieces.

The statue honors an adventurous seafaring cat.

Though its celestial ceiling is impressive, the true star is the vast collection of French books.

The oldest operating apothecary in the US has treated everyone from Thomas Edison to Mark Twain.

The "Seinfeld" diner.

Read a book next to a Midtown waterfall.

The world’s oldest and biggest bookstore stocking only mystery, crime fiction, espionage, and thrillers.