This impressively complicated radioastronomy research center was once a tool of Soviet spies.

Learn to drink tea like an Estonian at this museum.

A quaint Russian village in the middle of a German metropolis.

You can walk through the first Boeing Air Force One, which famously carried JFK's casket from Dallas back to D.C.

Learn about the history and craftsmanship of carousels inside this museum located in a former post office.

A favorite of Amelia Earhart, ranking among those rare bridges that can be crossed without changing sides of the river.

A memorial for an outsider theorist who believed that the planet is actually hollow.

Inside, ancient treasures. Outside, modern contradictions.

A wonderful and easily overlooked museum tucked in Ohio's Burke Lakefront Airport.

The site of Neil Armstrong's first flight is marked by a full on replica of the moon landers.

A slab of sandstone covered with mysterious 1,000-year-old rock carvings from a vanished North American culture.

A monument to a Native American leader who was known for never breaking a promise and met his end after signing a deal with white settlers.

Landmark dedicated to the plight of the American Indian in the 21st century.

The largest ancient burial mound in Ohio.

The final resting place of the most famous sharpshooter.

A real flying saucer, contracted by the U.S. Air Force.

This humble star-gazing center touts itself as the "Birthplace of American Astronomy."

This lovely university observatory continues to sit abandoned since its potential savior was sent to jail for fraud.

A history of tragedy and a pile of eerie stories have contributed to this house's consistent ranking as one of the most haunted places in Ohio.

Inside this wonderland of weird, visitors are treated to a collection ranging from skeletons to haunted artifacts.

These sub-farmland caves are home to a majestic stalactite known as the "Crystal King."

The only remnant of a small mining town is an abandoned railroad tunnel that is steeped in ghostly lore.

An unoccupied lighthouse encased in layers of ice from the waters of Lake Erie.

Georges Seurat’s pointillist masterpiece has been recreated in Ohio in topiary form.