This knockout museum lies in a sleepy corner of London.

A tunnel dug through the side of a mountain by hand provides convenient yet death-defying access to a small village in China.

This bridge made famous in a novel and on-screen wasn't actually built over the river Kwai.

A nightly tradition fills the streets of Flogsta with a collective scream.

Ninety years of Sydney buses under one roof.

A hand-built folk art installation covered with messages of God's love.

Once strictly off-limits, this lower level housing curious and priceless vehicles of the Petersen Automotive Museum is now open to the public.

Rainbow-hued local gem in Venice.

Perched on a spindly rock spire in a Greek archipelago, this lighthouse would make a perfect wizard's tower.

Hidden among popular Sydney golf courses is a little remembered graveyard populated by smallpox victims.

The smallest country in Australia is a principled little thing with a friendly emperor.

Prehistoric park filled with the fossils of dozens of extinct species including Australian megafauna.

A historic hotel on the edge of the Australian outback.

World-famous, Pink's still manages to keep its prized cult fetish status.

A look into the Church of Scientology's deeply unfavorable view of psychiatry.

Giant Redwood-themed cafeteria operates under the golden rule, "Dine Free Unless Delighted."

Historic funicular railway, believed to be the shortest railroad in the world.

A castle hand-built by a Spanish dreamer in the Australian tropical jungle.

An opal mining town in the middle of Australia where people live, worship, and shop underground.

A micronation of epic proportions.

Man-made cave with enigmatic carvings, some say made by the Knights Templar themselves.

A Mysterious Masonic tomb in San Luis Obispo.

An underground mansion with fruit-bearing trees and grapes growing beneath the surface of central California.

In this historic region, homes and churches are carved into ancient volcanic rock formations.