The original vault that held the president's remains still stands, empty, not far from where he was finally buried.

The world's largest covered wagon is piloted by a giant Lincoln lawyer.

This improbable contraption was passed down through five generations of industrious Tennesseans.

This former maximum-security prison is creepy, sobering, and supposedly haunted.

This historic Illinois "Muffler Man" has been converted from axe-touting lumberjack to rocket-wielding space ace.

No Gordon Lightfoot song, only a barebones monument to greed.

The only natural lake in the world that drains into both the Atlantic and Pacific Oceans.

Home to a timed geyser created by complete accident.

Half-sized replica of the Leaning Tower of Pisa built to honor Galileo.

A six-story-tall golden pyramid, surrounded by a moat.

This striking art museum holds an amazing series of curiosity cabinets.

A place to eat for on-the-run agents and espionage enthusiasts.

Statue dedicated to the star of an old television show.

Wisconsin's most celebrated export gets the royal treatment on I-94.

The city of Rockford, Illinois is symbolically protected by a quartet of fittingly stony sentinels.

This deceivingly ordinary warehouse hides an enormous collection of pop culture treasures.

At the time of its completion, it was the tallest dam in the world.

A museum dedicated to the history and art of staying clean.

The largest burial mound in the United States holds the remains of prehistoric West Virginians.

Beyond the usual stories that attend old prisons, this one has deep bloody undercurrents.

The museum calls itself the "National Museum of the Paranormal" and is full of eerie oddities.

Despite its lavish ornamentation, and wholesome lifestyle of its devotees, this mountain commune has faced its share of issues.

This abandoned dream castle and its cemetery look out over the city that once inspired their creation.

There are more than 4 million bricks inside this unofficial Lego museum in a former middle school.