The world's largest fully steerable radio telescope.

One day a year it is legal to jump off of this astoundingly tall bridge that spans an Appalachian gorge.

Hikers can still stroll beneath the long conveyer of this abandoned mining facility hidden in a West Virginia river gorge.

Once connected to the outside world by a single train track, this ghost town is looked after by the National Park Service.

America's post-nuclear-attack chambers of Congress.

This abandoned amusement park was built on a site with a dark history.

The last holdout of a pre-Civil War rebel who took the matter of slavery into his own hands.

Dedicated to the art and science of glass in equal measure, this space is as much laboratory as museum.

A quirky collection of outsider art made from automobile parts.

The site of America's first commercial oil well essentially disappeared after the town went bust.

All of Chicago's wood-paved streets are long gone but two alleys remain.

This awkward aquarium sculpture is one of the strangest statues in Chicago.

This alley in downtown Chicago held the bodies of over 600 people after the fateful Iroquois Theatre fire.

This memorial plaque remembers a strangely shallow maritime disaster known as "Chicago's Titanic."

Each of these gorgeous, intricately decorated rooms is painstakingly crafted to the scale of 1 inch: 1 foot.