The resting place of a Civil War celebrity's amputated limb.

The oddly shaped, steam-spewing building is now an art studio and gallery.

Lines from a walking song are etched into a rock in Natural Bridge State Park.

This collection of over 50 classic pinball machines awaits visitors to downtown Roanoke.

An original apothecary from 1792.

Nine of the very few concrete ships ever made in the U.S. are beautifully decaying off a Virginia pier.

An organ located deep within a cave, whose "pipes" are the geological features of the cave itself.

A secretive collection featuring objects that were designed specifically for U.S. intelligence operations.

This maze-like slot canyon is a unique gem within an already fascinating geological area.

An abandoned, rusty old relic of railroad history stands at attention over the Cuyahoga River.

A rare particle accelerator with a tremendous energy range is tucked away at Ohio University.

This park pays homage to the region's rich industrial history of brick making.

This unique collection collects pieces of art etched into thin pieces of stone.

Rows of 19th-century brick ovens used to process coal into coke form the center of a wooded park.

One of the last few period-correct, hand-operated canal locks in the country.

All that remains of a gigantic earth-moving machine.

This NASA test station is home to some of the world’s largest and most powerful space environment simulation facilities.

Ohio's 19th-century communist micro-society.

The permanent home of Elektro, the celebrity automaton of the 1939 World's Fair.

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

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

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

These beautiful wineries were at the center of Lake Erie's "grape belt" back when the Midwest dominated American wine production.

Small, privately owned island divided between Michigan and Ohio with abandoned vacation homes and a derelict lighthouse.