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

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

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

Outsider art meets paleontology at this roadside reptile repository.

Near-constant high winds deform the trees on Spruce Knob, the highest point in West Virginia.

Little island known for its massive beachfront "flowerpot" pillars.

Possibly the world's largest coin stands just outside of a Canadian science center.

Island where motor vehicles are banned -- home to the only carless highway in the United States.

The fifth-longest suspension bridge the world, connecting one Michigan peninsula to another.

"The Most Boring Road in the State."

An angular maze of concrete in Grand Rapids acts both as public art and as a staircase for fish traveling upstream.

These sprawling mines once served as a source of plaster and today serve as a storage facility.

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

Once the most painted on object in the world, this short campus fence is well on its way to being so again.

A restored Pittsburgh house of God has been converted to a marvelous house of suds.

The largest university building in the West is a gothic masterpiece containing dozens of theme rooms based on different countries.

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

A portion of the old Pirates stadium over which a defining home run once flew still stands even after the rest of the stadium was torn down.