The only remnant of a small mining town is an abandoned railroad tunnel that is steeped in ghostly lore.

A theme park featuring a replica of Noah's Ark built to the measurements specified in the Bible.

The private island of Yale's elite Skull & Bones society is kind of a dump.

Genesis of modern hydroelectric power.

This tiny little island has, as the name says, just enough room for its single house.

A castle built for love, and abandoned due to heartbreak.

Not even a series of devastating fires could keep this odd castle in upstate New York from bouncing back.

This historic address is home to the beloved ball and is an almost totally empty building among the most expensive real estate in the world.

A museum and shop on Bourbon Street located in the former home of the second Voodoo Queen of New Orleans.

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

Look closely and you’ll notice that the color changes a third of the way up the tower.

An overlooked memorial honoring the local Washington residents who died in World War I.

A tiny monument to the unsuccessful attempt by Thomas Jefferson to place the prime meridian in Washington.

Those with a sharp eye can find the hidden image of a German Shepherd on the memorial's Mural Wall.

A cavernous three-story, 43,800-square-foot basement that was forgotten about for 60 years.

This dramatic rail curve was once the target of a failed Nazi attack.

A toxic ghost town sitting atop a massive coal fire.

The final resting place of a controversial man who was instrumental in plucking the banjo from obscurity.

The airport was once a Civil War battleground, and the earthwork defenses can still be seen today.

The story behind the mysterious symbol painted in front of the historic university's famous Rotunda.

Affectionately known as "Lord Bot," this historic statue has a cult social media following and rightly claims to be “the most metal inhabitant of the Wren Yard.”

Scenic mount trashmore, Virginia Beach's most curious waterfront still has a couple of secrets.

The iconic statue was moved to a new spot overlooking the James river after several years as a mascot for the local baseball team.

Under a playground is a little-known sealed train tunnel that likely contains the bodies of workers trapped by cave-ins.