The fantastic architectural models of a French traveler.

The cell which saved the life of Ludger Sylbaris, "the man who lived through Doomsday."

A fiery crater has been burning in the Karakum Desert since 1971.

These "50 Fortresses" have been unearthed in the ancient oasis of Khwarezm.

Former island in the Aral Sea used to be a top-secret Russian bio-weapons facility.

This huge industrial sculpture looks like a UFO and a factory had a baby.

Tiny pyrophyllite spheres from 3 billion years ago.

Once a bustling fishing port, this semi-ghost town is now more than 90 miles away from the shore.

The tallest residential building in Africa is an unsettling Brutalist monolith.

A slice of central Asia in the middle of Berlin.

This abandoned bunker looks out over the Atlantic from its clifftop perch.

A cave dwelling that was started by the Celts, expanded by monks, and finished by knights.

The mark of the Devil's horns on a marble column in Milan.

A snowy highland notorious for unexplained aircraft crashes is France's own Bermuda Triangle.

One of the greatest maze designer’s greatest mazes.

This whimsical castle of grottoes was the labor of love of a French postman, and one of the greatest achievements of outsider architecture.