Secret North Korean passage discovered below the world's most dangerous border.

Do these monsters look familiar? The gargoyles on this church are all from pop culture.

London's smallest police station is barely the size of a phone booth.

Hidden beneath the streets of London is a secret subway that only carried mail.

A lake in the middle of the tundra of Quebec is said to be the purest freshwater lake on Earth.

First a horse rendering plant, then a 19th century landfill, this beach is full of glass from thousands upon thousands of broken bottles.

Site of the first pathological and bacteriological research facility in the United States.

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

The largest greenhouse in the world is home to over one million types of plants.

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

Thousands of well-dressed mummies below a monastery.

The patron saint of spinsters grasps a container of dried blood.