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

The taxidermy remains of the most popular pony in children's literature.

The solitary grave of a schooner captain killed by lightning while serving biscuits.

The land is home to swimming ponies and a legendary 18th-century treasure.

This building at the south end of the boardwalk was once home to the U.S. Life-Saving Service and the U.S. Coast Guard before being rescued itself.

WWII-era bunkers are hidden under the beaches of this picturesque park, which is still scattered with wartime watchtowers. .

The Dover International Speedway is home to a towering, concrete-skinned, racecar-hungry behemoth.