Once a sewer culvert, this road tunnel now offers cyclists and pedestrians a subterranean stroll under the C&O Canal.

These recently uncovered walls are all that's left of Washington, D.C's first defense contractor.

A bas relief commemorates the "Nuns of the Battlefield" who cared for soldiers on both sides of the conflict.

A historic ruin just 20 feet away from a busy highway onramp.

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

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

Bigfoot prints, Feejee mermaids, and haunted dolls on display in a tiny North Carolina town.

A sign marks the plane crash that caused two nuclear bombs to fall in North Carolina.

This family-run joint has been going whole hog for nearly 100 years.

A museum dedicated to a unique ecosystem.

The oldest bridge in South Carolina may have been designed by the same man who created the Washington Monument.

Practice your Dirty Dancing lifts in the manmade lake where Johnny Castle himself did.

A 315-foot spire jutting out from the Blue Ridge Mountains makes for breathtaking views.

The record holder for the world’s largest peach.

This museum is dedicated to the workers that help keep the power on.

From golden eagles to peregrine falcons, this rehabilitation and education center is a haven for birds of prey.

Rare videos and memorabilia await visitors inside this unique store.

A Christian-themed amusement park and complex rocked by scandals.

The ruins of a 19th-century mill are hidden along a greenway in a prominent Charlotte neighborhood.

This steam locomotive served as both an interesting static display and unique playground equipment since 1959.

These strange large stones served as a campsite and lookout post for generations of Native Americans.

The ruins of this once-grand mansion are linked to one of the country’s most popular clothing brands.

During the American Revolutionary War, iron excavated from this mine was used to make swords, cannons, and more.

This natural wonderland is a unique chance to explore a Carolina bay, a mysterious geological formation of unknown origin.