This mystical orb covered in strange symbols is thought to have been used in ancient Greek magical rituals.

A 2,000-year-old computer demonstrates remarkable engineering and astronomical precision.

The monument dedicated to Phineas Gage in the town where his accident happened.

What is it about mushrooms that makes people wish they lived inside of them?

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

An obsolete, vanishing traffic device warns Cincinnati drivers away from middle-of-the-road obstructions.

Hidden on two floors of downtown building, the library has an incredible deal on rent.

A castle built by an eccentric medieval enthusiast in suburban Ohio.

An abandoned munitions factory with a shot tower continues to wage war on the surrounding environment.

This magnificent Cincinnati graveyard is also a popular public park.

Ruins of the elaborate house where the enigmatic costume designer threw glamorous parties for New York's theatrical elite.

A New England curiosity cabinet, one hundred years on.

A bygone village occupation lives on via this quaint public chalkboard.

3,200-square-foot mural inside Dartmouth Library depicts the history of America with images of human sacrifice, ancient gods, and other unspeakable terrors.

Taxonomy experiment known for quirky collections.