Abandoned since the 1950s, the streetcar lane beneath the heavily trafficked bridge lays empty and unused.

A fiberglass jungle, deep in the wilds of the Cleveland suburbs.

A throwback train ride transports passengers through one of the lesser-known national parks in the country.

Cleveland's giant "free" stamp is a nod to the Civil War, but was misinterpreted for years.

Ghost stories surrounded this “castle,” the only structure from a huge mansion that was never built.

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

The entrance to this sinisterly named tunnel hides behind a Tim Hortons.

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

The center preserves and houses artifacts ranging from the colonial era to modern times from across Appalachia.

Once home to a booming 19th-century oil town, the park now houses a World War II submarine memorial complete with a torpedo.

Endless rows of boxes of paper records line the hallways of the archaic federal facility where guns are traced.

This claimant to the title of "smallest church in the 48 states" doubles as an equally tiny, quasi-post office.

Time travel with sweets across history at this research-based candy store.

Near-constant high winds deform the trees on Spruce Knob, the highest point in West Virginia.

A historic coal mine that doubles as a museum and tourist attraction.

Hikers can still stroll beneath the long conveyer of this abandoned mining facility hidden in a West Virginia river gorge.

This pharmacist and his patient greet visitors to the National Community Pharmacists Association.

A memorial dedicated to a highly decorated Marine and Korean War veteran, who also happened to be a horse.

A graveyard that dates back over 200 years stands near a busy shopping center.

The Pentagon is so large that it was planned like a city, complete with internal highway infrastructure.

This twice-relocated "Usonian" home is among the smallest built by master architect Frank Lloyd Wright.

This isn't your average roadway—it's actually a National Park and a transportation pioneer.

Once forgotten and built over, this historic Black cemetery now houses a poignant memorial.

Rumor has it the hot dog stand was targeted by two Russian nuclear missiles.