The Dover International Speedway is home to a towering, concrete-skinned, racecar-hungry behemoth.

The Midwestern United States' tribute to Michelangelo is a foam statue sprayed with gaudy gold paint.

Kentucky, Tennessee, and Virginia meet at this point in the Cumberland Gap.

Moonbows over Kentucky.

The first KFC is on the National Register of Historic Places.

The world's longest known cave system.

A dangerous narrow-gauge railroad once traced a route through this striking canyon.

It would be easy to walk past this unusual piece of art and have no idea it pays tribute to the odd life of a real chicken.

Air Force Academy Chapel made of 100 identical tetrahedrons works to inspire those of all religions.

This razorback ridgeline has doubled as a scenic drive since the early 1900s.

The world's largest key collection features keys to the White House, Frankenstein's castle, and Hitler's bunker.

The largest source of fossilized insects anywhere.

The highest paved road in North America winds its way up Mount Blue Sky in Colorado to an altitude of 14,130 feet above sea level.

When ecosystems collide in the arid Southwest.

Strange red rock formations that have been attributed to a higher power for hundreds of years.

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

Thanks to a quirk of elevation this gift shop produces magic doughnuts that are found nowhere else on Earth.

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

This quarter-mile tunnel under the Bluff in Pittsburgh bends at a 45-degree angle.

An eccentric priest's tribute to George Washington, this chapel tells the story of the American Revolution.

This strange, big-tailed beast became a Pennsylvania town's unofficial mascot.

A glittering Thai Buddhist temple in suburban Pennsylvania.

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

The remains of a community that was forced to move for a dam that never materialized still rot in this Pennsylvania park.