A factory in Milwaukee where poop is reclaimed… and recycled.

Literally a million fascinating cartographic artifacts are held in this sprawling university collection.

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

This small city where almost everyone lives in the same building can only be reached via North America's longest tunnel.

The haunted reputation of these abandoned Colorado train tunnels is probably not helped by the terrifying spiked fence.

This Colorado hiking trail provides a small gold mine of abandoned gold mines.

The grave of Mary Nasson is shrouded by witchy legends.

In the Hugging Tree Forest, lingonberry marshmallows, hot chocolates, and the best campfire lattes north of the Arctic Circle come to you.

This colonial tavern played host to George Washington, Thomas Jefferson, and other famous early Americans.

Longest road tunnel in the world features an air treatment plant and the illusion of daylight.