This small piece of railroad history sits behind the parking lot of a chain grocery store.

There are eight natural springs around town, each with a slightly different taste.

This Boeing KC-97 tanker is now a restaurant for aviation lovers.

This grand stone tower was dedicated to a famed American humorist almost by coincidence.

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

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

This spectacular track has run continuously since 1882.

This super steep hike ascends 2,000 feet in less than a mile.

See six states, pickled freaks, rocks, and antiques.

These faux-cliff dwellings allow visitors to climb around on a replica archaeological site.

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

When ecosystems collide in the arid Southwest.

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

Hidden beneath a bridge, this waterfall is known for the large amounts of graffiti painted on its base.

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

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

The final resting place of an unidentified revolutionary soldier sits behind a Virginia church.

These unusual rooms on wheels are holdovers from the 1960s.

The Pentagon is so large that it was planned like a city, complete with internal highway infrastructure.

The system of air guns are fired off remotely to scare any trespassing avians.

Rumor has it the hot dog stand was targeted by two Russian nuclear missiles.

The controversial urban planner who designed Washington, D.C., was buried in Maryland, and can presently be found in Virginia.

The romance of early commercial flight still fills this Art Deco destination.

This sprawling farm was once a Cold War-era hideaway for the nation's top diplomats.