The largest hot spring in the United States is, as the name suggests, a stunning show of natural color.

Paranormal experiences in this hotel's room 217 led Stephen King to write "The Shining."

A 200-year-old bar in the historic French Quarter refuses to give up its place in history, nor its role in securing ours.

A beautiful geyser under environmental threat.

The first declared National Monument in the United States.

Famously misunderstood wonder of the ancient world

This 1,300 year old monastery built atop a single rock was once only accessible depending on the whims of the tide.

A living maritime paradox still floats in the same lake where it was built and resurrected... or was it?

This massive airship factory is so large that it has its own indoor weather.

"Where the ducks walk on fish."

Where the oil industry began.

The 25th President's marble casket can be visited in this classical Ohio tomb.

Priceless space junk on display in front of a local Dairy Queen.

An American flag was erected for every day that passed during the Iranian Hostage Crisis.

Frank Lloyd Wright's most iconic home dangles over a Pennsylvania waterfall.

A retrofuturistic art installation in the Pittsburgh Airport.

One man's real life disfigurement inspired a lasting local legend surrounding an eerie tunnel.

A preserved 18th century homestead in Western Pennsylvania marks the spot where the Whiskey Rebellion began.

The only way to see Pittsburgh is from the top of this lookout point, just like the ancient members of the native peoples did.

These disused steel furnaces are now haunting ruins that may one day be a national park.

The United States’s oldest funicular railway glides up and down a steep Pittsburgh street.

Despite being stolen multiple times, this civic electrician's street corner Snoopy won't be stopped.

Color-coded signs direct drivers on a network of routes designed to avoid Pittsburgh traffic.

Meet your friends, marry your true love, or tell your enemies to kiss your butt under this historic Pittsburgh timepiece.