The largest land animal skull ever discovered.

This former mining town was named the most toxic town in America.

The future of roadside attractions is this sci-fi soda mecca that is home to a 66-foot tall neon pop bottle.

Collection of skeletal systems from the "world's leading supplier of osteological specimens."

An acoustic anomaly with a mysterious cause.

This steamer is known as "The ship that built Cleveland."

The world's tallest doric column is this Ohio monument to a naval victory in the War of 1812.

Bison, America's national mammal, are staging a slow comeback in Ohio's prairie parkland.

This spectacular public market has got meat, fish, vegetables, baked goods, and enough kielbasa for a lifetime.

Funded by John D. Rockefeller, this is one of the earliest, and most beautiful, shopping arcades in America.

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

Marvel at this turn-of-the-century masterpiece that has been turned into a rather stately supermarket.

A county library in rural Ohio houses one of the finest mineral collections in the world.

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

This burger joint is named after everyone's favorite carnival prize and is adorned with a giant one over the door.

Take a drunken tour inside the world's largest known geode.

This collection of Japanese luck idols beckons visitors with over 2,000 waving paws.

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

Deep scars on the earth left by the Ice Age.

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

The largest ancient burial mound in Ohio.

The heroic sled dog of the 1925 serum run is preserved in taxidermy.

The largest earthwork effigy in the world.

This sky-high radio mast is formerly the tallest man-made structure in the world.