This field of half-buried stone crosses was the burial place of a sect of heretical gnostics.

An urban forest overtakes what was the greatest failure of utopic urban housing.

An abandoned meat mecca now serves as an excellent locale for urban exploration.

Profile of a sleeping person 4km long in 250m high cliffs.

Half of a waterfall goes into the river while the other half seems to disappear.

A restaurant and lodge in northern Wisconsin which served as a clandestine hideout for John Dillinger and featured one of the most famous botched FBI raids in history.

A mysterious light in the wood, rumoured to be the the ghost of a railroad brakeman.

Large pioneer village showcasing life during boom times.

Covering 37 subterranean acres, this Armillaria gallic is a famous fungus with its own festival.

Reason for Michigan's potential diamond mine.

Large one-man sculpture park in Michigan.

This freshwater spring fills with 10,000 gallons of water per minute.

This pebble beach is so beautiful that taking its rocks is against the law.

The home of 1.5 million wood letters for printing is still a functioning workshop.

A museum celebrating the self-taught artist-environment builder.

A river with some unusual, and occasionally dangerous, habits.

A house and yard adorned with bizarre concrete sculptures in a Milwaukee suburb.

A place to eat for on-the-run agents and espionage enthusiasts.

Massive still life just off the highway in Kansas.

Incredible labyrinth of man made caves.

Largest Roman Catholic church in North America.

Ruins of an American Civil War iron forge still survive today.