Disused penal colony features prisoner artwork, some sketched in human blood.

Where dogs like the rare "Fire-Tailed Border Cocker" run free on the mountainside.

A beautiful footbridge with over 2,000 glass sculptures along the walls and ceiling.

This famous bridge twisted itself into oblivion, but not for the reason you might think.

A daily replay of the experiment that proved the rotation of the Earth.

The sounds of the world's largest fully functioning pipe organ dazzle shoppers at a Philadelphia Macy's.

A tradition unlike any other, this marks the site of the annual Groundhog's Day tradition.

This elaborate towering structure was once famed for its revolutionary height.

Yo, Adrian!

The oldest farmer's market in America is so ancient it was approved by the King of England.

The first American department store, and home to the largest operating musical instrument in the world.

These lush botanical gardens employ the most purrfect pest control force.

A local prank turned town icon.

This partially buried wreck is one of the most complete of its kind but is only revealed when the sea allows.

A towering bronze statue memorializes the founding father of postwar American conservatism.

One of the largest open-pit copper mining operations in the entire country.

Berkeley Hot Springs presents to you "the only outdoor monument to presidential bathing."

This palatial botanical garden is home to one of the largest pipe organs ever installed in a private residence, and a piece of Wood's cycad.

Once the "Eighth Wonder of the World," this iron railroad bridge was decimated by a tornado.

These beautiful ruins deep in the Pennsylvania woods are thought to have been a ski lodge or a speakeasy, but no one really knows.

This colorful West Virginia cowboy greets passersby with a glassy stare.

Smack in the midst of coal country, this collection provides a peoples' history of Appalachian miners' heritage.

Kentucky's longest operating jail is now a spooky spot to spend the night.

Walk through row upon row of manicured miniature trees at the United States' largest bonsai nursery.