Locals place their offerings on this nightmarish gnarled tree so the witches won't summon another storm.

This former tuberculosis research hospital endeavored to cure the dreaded disease with fresh air and positive attitudes.

For two weeks every June, fireflies in the Smoky Mountains perform an astonishing light show.

This boulder stays on its mountain thanks to a huge chain and on the map due to local legend.

Kentucky, Tennessee, and Virginia meet at this point in the Cumberland Gap.

The largest earthwork effigy in the world.

A quirky Poe-themed joint on an island keen to celebrate its overlooked connection to the famous writer.

Once adorning a New York skyscraper, these reclaimed ruins now haunt an Indiana park.

The tragic reality of a village riddled with rumors of haunts, chemical spills, and serial killers.

This stuffed pigeon of war had the very serious name "John Silver" until he lost a leg in battle.

Inside houses a vast collection of military aircraft and missiles spanning the ages.

A monument to a Native American leader who was known for never breaking a promise and met his end after signing a deal with white settlers.

One of the Cemestos prefab homes built to secretly house thousands of Manhattan Project workers.

In the hometown of the Grand Ole Opry star is a larger-than-life memorial statue made entirely from chicken wire.

This tower-tomb honors a president who only held office for a little over a month but dedicated his life to his country.

The inventor of the iconic Pringles can was so proud of his invention he was buried in one.

Ohio's 19th-century communist micro-society.

The largest ancient burial mound in Ohio.

A miniature world of concrete and stone in Springfield, Ohio.

An abandoned asylum incorporated into a college campus.

Deep scars on the earth left by the Ice Age.

These sub-farmland caves are home to a majestic stalactite known as the "Crystal King."

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

Prison made famous by The Shawshank Redemption has been out of commission since 1990.