Enormous lake at the bottom of a unique cave system.

Home of an evil witch famous within southern folklore.

All that's left of the quintessential "cabin in the woods."

This monument remembers one of the manliest men of the frontier who fought a grizzly before dragging himself 200 miles to safety.

Every president in history is immortalized in bronze in downtown Rapid City.

This prehistoric sinkhole lured exclusively male mammoths to their death, much to the delight of science.

According to local lore, this narrow passageway through two large rocks was accidentally created by the devil himself.

This recently rediscovered Civil War-era submarine was the first to ever sink an enemy ship.

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

The widow of Benjamin Franklin's brother became the first female newspaper editor in the United States.

The final resting place of the famous Rhode Island lighthouse keeper who heroically saved dozens of people from drowning.

A crumbling stone stable and carriage house are all that remain of a manse that was once filled with Egyptian artifacts.

The final resting place of New England's last "vampire."

Books bound in human skin and H. P. Lovecraft's letters are among a few of the treasures this library has to offer.

Last residence of H.P. Lovecraft featured in his story "The Haunter of the Dark."

The ruined remains of a coal mining ghost town are hidden within the woods.

This little-known Revolutionary War fort is supposedly haunted by the ghosts of its past.

The mortal remains of a Russian prince, priest and paranormal investigator who came to America in 1792.

A quiet, gothic haven nestled between Pittsburgh's Squirrel Hill and Point Breeze neighborhoods.

A mine fire has been burning under the deserted town since 1962, but this church is still going strong.

This meticulously extracted nervous system allegedly came from a 19th-century custodian who donated her body to science.

One man's real life disfigurement inspired a lasting local legend surrounding an eerie tunnel.

This Pennsylvania cave holds evidence of the oldest known inhabitants of North America.

A macabre farm reserved part of its 222-acres for dead bodies, all in the name of science.