This magnificent Cincinnati graveyard is also a popular public park.

Despite being burnt down multiple times, the ruins of this South Carolina church are still standing.

This modern castle sat empty for decades before a fire inspired its builders to complete its luxury halls.

This former tuberculosis treatment facility now stands at the center of a public park.

These early tent-shaped grave coverings are unique to Appalachia.

Enormous lake at the bottom of a unique cave system.

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

Deep scars on the earth left by the Ice Age.

A former Canadian automobile ferry mysteriously appeared in the Black River 20 years ago, and now it quietly rusts away.

A singular collection of hand-built art deco cars are held in a building with style to match.

An unassuming 13-acre park is home to over 12,000 roses.

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

The largest cemetery in the American Southeast is a hidden gem near the heart of Atlanta.

Suspended above the ground in a thicket of towering Georgia trees is a modern architectural wonder.

3/4-scale model of the White House in Atlanta, Georgia.

The ruins of a paper mill destroyed during the Civil War still tower over a tributary of the Chattahoochee River.

The ruins of a cotton mill that was burned in the Civil War are still hidden in a Georgia forest.

Healing Springs that once ran red with soldiers' blood.

One-of-a-kind museum inside the first Boeing 747-400 ever made.

An abandoned railroad tunnel forgotten by time awaits inquisitive hikers.

This natural wonder drops 16 stories straight down through rare flora and streaming waterfalls.

This large cave is a summer home to thousands of bats and has a rich history dating back to prehistoric times.

The perfectly named cave drop is the deepest in the continental United States, almost matching the height of Seattle’s Space Needle.

Crumbling ruins mark the site of a couple's grisly murder in the woods.