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

There aren't too many operational funiculars around, but Pittsburgh has two!

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

One of the steepest streets in the United States makes an intriguing challenge for cyclists.

This permanent exhibition celebrates the finest of our heartless automatons both real and fictional.

Practice your Dirty Dancing lifts in the manmade lake where Johnny Castle himself did.

This vast kitty-themed collection illustrates the history of human-cat interaction.

A piece of outsider public art accompanied by a strange urban legend.

This bright yellow relic is the final survivor of a short burst of seashell-shaped petrol pumps.

One of the best places to see feral Colonial Spanish Mustangs in the United States.

Beautiful Gothic-inspired lighthouse stands out among the run-of-the-mill striped fare on Bodies Island.

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

One of the last active volcanoes on the Eastern seaboard.

One street divides a single town that stands in two U.S. states.

The resting place of a Civil War celebrity's amputated limb.

An organ located deep within a cave, whose "pipes" are the geological features of the cave itself.

Exact replica of the ancient monument, but much, much lighter.

Outsider art meets paleontology at this roadside reptile repository.

A sacred site for Native Americans surveyed by George Washington and owned by both King George III and Thomas Jefferson.

Memorializing an American tragedy of massive proportions.

Journey through a collection of over 35,000 Halloween items from all generations.

An almost life-sized elephant named Ms. Ellie greets visitors at this jumbo-themed museum.

Steepest flood safety railway in the entire world.

This titanic java kettle is one of the many kitschy landmarks located along America's OTHER famous highway.