The abandoned medieval theme park was meant to be the "Disneyland of the Philippines."

The ruins on a deserted tropical island in the Philippines bear the scars of WWII.

Smoked mummies housed in mountainside caves.

Hundreds of wooden coffins dangle from cliffs and caves in the Philippines.

Part shoe store, part sociopolitical art gallery, part zoo.

Giant pigeon houses packed into city streets in Egypt.

A strange aquarium with stuffed fish, and almost no water for them to swim in.

The deadliest diving spot in the world is also a stunning geological marvel.

An abandoned outdoor movie theater in the Sinai desert.

Egyptian treasure trove of fossils documenting the whale's transition from land mammal to sea creature.

What looks like a normal building is really a hollow facade hiding a subway vent.

Dedicated to the history and culture of smoking, this small museum now includes a vape lounge.

In this Parisian garden's grotesque former life as a zoo it fed exotic animals to the bourgeois and put humans on exhibit.

BDSM, 1930s Style.

This innocuous-seeming building is actually the remnant of a major wartime brothel.

One of the last umbrella repair shops in Paris upholds the nostalgic art of umbrella making.

The floorboard scrawling of a tragic madman is on public display outside a Paris hospital, much to the dismay of its opponents.

This banal Parisian entranceway is not what it seems.

This museum in a Paris apartment gives a unique look at the iconic French singer's life.

Skeletons, medical artifacts, and other obscure and precious treasures all displayed in a wooden pharmacist's cabinet.

The recovered bones of martyrs slaughtered during The Terror are on display in this church crypt.

The subterranean "lake" below the Paris opera house inspired the Phantom of the Opera's lair.

A Parisian exterminator's shop whose storefront displays stuffed rats hanging from traps.

Exquisite wall sculptures carved in secret by an early quarryman in an obscure corner of the Paris Catacombs.