An enormous natural sandstone bridge in Kentucky.

Outstanding collection of 19th century medical instruments includes a life-size figure cast from as many as 200 cadavers.

A ship that lived many lives under many names is now known merely as the "Ghost Ship."

Prehistoric animals decorate this popular outdoor park.

The world's longest known cave system.

The oldest operating Mississippi River–style steamboat still navigates the Ohio River.

This railroad overpass is said to be home to a murderous goat-man whose very legend has led to very real deaths.

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

The quaint little Vermont town played a quaint little Connecticut town in Tim Burton's "Beetlejuice."

One man's exploration of the human form, including the bizarre and delightful "Man Attacked by Babies."

An architecturally unique lighthouse that had to be lifted up and moved to avoid falling in the sea.

It was founded by Ralph Nader to educate the public about an often-maligned area of law.

Beautiful hillside Vermont cemetery with amazing funerary art.

More than 200 unconventional musical instruments that anyone can play.

Stay at this storybook estate, featuring Sir Henry Hudson Kitson's masterpiece "Gingerbread House."

The largest whale museum in Europe allows visitors to walk among life-size giants.

An encyclopedic collection of mammal penises.

The history and future of cannabis.

Take a stroll through the hellish grotesques of Hieronymus Bosch in this elaborate Netherlands church.

This oversize piece of novelty cookware once cooked the largest pancake in the world.

Curtiss is a forgotten figure in the early history of flight.

The birthplace of America's favorite fruit-flavored mystery dessert.

The walkable ruins of an 19th century hotel, destroyed in a horse cremation gone wrong.

A mysterious collection of stones stand outside a small New England town.