The final resting place of the world's first nuclear reactor.

The world's largest collection of the world's largest objects is in one small Illinois town.

Modeled after the labyrinth in Chartres Cathedral, this small-town Indiana memorial labyrinth sits half a world away.

This national park dedicated to the tallgrass prairie ecosystem still displays its military past.

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

An abandoned observatory in the middle of the Illinois prairie.

The first spinning jail built in the United States is the only one that still turns.

The large rock formation where the Shawnee prophet Tenskwatawa stood and encouraged his warriors during the Battle of Tippecanoe.

This water-locked cliff face is covered in hundreds of ancient pictographs.

Over thousands of years, this slot canyon was carved out of the bed of an ancient lake.

An old dining hall now serves up ghost stories for lusty locals.

Paranormal activity on the great lakes.

A towering cemetery monument honors a man who threatened to expose the Freemasons and paid with his life.

Why have you never heard of the second most popular tourist site in New York?

Home on the Hillside, and home of the first breakfast cereal.

A mysterious lake provides fresh water without any source, somehow restoring itself from atop its mountaintop perch.

In upstate New York, gorgeous waterfalls and a watermill are slowly being reclaimed by nature.

An abandoned asylum where patients have been forgotten but their possessions remain.

A six-story treehouse offers spectacular views of New York's Finger Lakes region.

The final resting place for the famed creator and narrator of "The Twilight Zone."

Opened in 1947, this is the oldest continuously-operating drive-in theater in New York.

The final resting place of Harriet Tubman and other famous historical figures.

Abandoned rock quarry now a haven for mountain bikers and hikers.

The quarry was abandoned over 100 years ago, after a massive ammunition explosion ended in tragedy.