Former headquarters of the KGB.

The shattered remains of the world's once tallest structure.

A former poultry store that looks like a giant duck and is one of the "seven wonders" of Long Island.

The most disputed archipelago in the world.

A two-inch thick solid brass rod that extends an astounding one kilometer straight into the earth.

One of the world's tallest, oldest, and most disgusting chocolate cascades.

A slice of central Asia in the middle of Berlin.

Mysterious glowing orbs float through the desert night.

A battle between nature and architecture in the Cambodian jungle.

The world's most elegant power lines.

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

A room in New York City that contains 250 cubic yards of dirt worth a million dollars.

A Hungarian optometrist's charming collection of Asian art and curiosities.

A Hungarian pharmacy museum with a box full of mummy powder.

A museum of tiny buildings in the tiny country of Andorra.

A modern day curiosity cabinet.

The topiary maze at the Habsburg hunting lodge.

Handsomely crafted representations of our round planet.

A museum celebrating the Victorian obsession with hair art.

A 20th-century picture show in 3-D.

The extensive collection of an amateur naturalist.

A snake farm famous for its venemous varieties.

A mythically themed self-built sculpture park.

A health museum containing a 27’’½-foot intestine.