This open-pit mine is now an abandoned symbol of Bisbee's copper-mining heritage.

This canyon is named for a unique geologic formation where the river vanishes underground near the mouth of the canyon and reappears farther down.

Over fifty whirling pools left by the glacial age.

The nearly 200-year-old building displays a perplexing grammatical error.

A natural gas leak provides a flickering flame beneath a waterfall.

Its original statue was deemed so ugly, locals called it “Scary Lucy.”

This museum is dedicated to a Hollywood icon.

A quirky collection of outsider art made from automobile parts.

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

Once used as a deterrent to drinking alcohol.

Experience the magic (and science) of a camera with this giant structure that allows you to enter inside the camera.

True to its name, this bouncy walkway may be the world’s smallest suspension bridge.

Abandoned bridge hidden deep in the San Gabriel Mountains.

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

The highest bridge in America was built for an almost unnervingly small amount of money.

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

Pennsylvania's highest point is spotted with boulders which were pushed to the surface by nothing but cold.

This former fire tower found new life as a communications hub complete with a scenic overlook.

This beautiful stone arch bridge wasn't even expected to stand for one day, but people have been crossing it for centuries.

The first blast furnace in the United States that used coal and coke fuel instead of charcoal to make pig iron.

This one-room cabin where the young colonel slept during the French and Indian War.

Maryland's first (and last standing) toll house on America's first federal road established the state as the "Gateway to the West."

The highest point in North Carolina and the United States east of the Mississippi River, Mount Mitchell is named after argumentative explorer Elisha Mitchell.

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