Berkeley Hot Springs presents to you "the only outdoor monument to presidential bathing."

The "mysteries" of this quintessential roadside oddity were almost destroyed by neglect but were saved by fans of kitschy wonder.

A miniature golf course crafted inside the world's largest simulated cave.

These rows of World War II-era bunkers were the scene of some of the infamous Mothman sightings.

The farming museum contains an extensive taxidermy collection, including the world's largest stuffed horse.

A table rock formation that has been intriguing West Virginians for years.

The museum calls itself the "National Museum of the Paranormal" and is full of eerie oddities.

Bison, America's national mammal, are staging a slow comeback in Ohio's prairie parkland.

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

Abandoned former poorhouse, bible college, and haunted house in an Ohio hamlet.

This former fire tower is now a rustic observatory that offers amazing views of eagles, hawks, and the Appalachian Mountains.

The largest earthwork effigy in the world.

The spectacular collection of one of the world's best woodcarvers.

Nothing says indulgence like a 1,500-pound chocolate castle.

Spectacular mineral formations fill these caves, which have been used for everything from smoking meat to stashing illicit liquor.

The highest point in Maryland is only accessible by hiking through another state.

Bubbling up from deep underground is the warm crystal clear water that fills the Warm Springs Pools, America's oldest spa.

The oldest arched-covered bridge in Virginia has truly withstood the test of time.

This abandoned amusement park was built on a site with a dark history.

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

A well-preserved relic of the industrial age steel and iron works that dotted West Virginia.

This abandoned dream castle and its cemetery look out over the city that once inspired their creation.

This lookout tower built in the 1930s is now an in-demand cabin with what might be the best view of the Seneca State Forest.

Take a steam-powered ride straight out of the past on this Appalachian rail line.