An enormous natural sandstone bridge in Kentucky.

The site of Paul Revere's historic two lantern warning.

These boots are made for selfies.

The highest point in Alabama was almost completely deforested, but is now home to protected towers and trees.

Ruined pieces of stone and a swimming pool are all that remain of an amusement park swept away by a flood.

Natural sonic phenomenon comes with a grisly legend of murder and blood.

A clock set into the concrete outside a Manhattan jeweler has been telling time underfoot for over a century.

This haunted hotel built on natural springs once served as a hospital for a quack doctor promising a cure for cancer.

400 million-year old limestone caverns nestled in the Ozarks served as shelter and a hideout for cultures throughout North American history.

Yo, Adrian!

Blighted Irish field and the ruins of a 19th-century cottage on the edge of urban Manhattan.

Life-sized sculpture of a blue whale made of hand-recycled plastic trash.

The first American department store, and home to the largest operating musical instrument in the world.

Formerly known as National D-Day Museum, this collection commemorates the battles of Normandy and WWII.

A house of courtship where the Jazz Age's most storied lovers got their start.

Berthed at the Charlestown Navy Yard in Boston, "Old Ironsides" is the oldest commissioned warship still afloat.

Mai Tais and Navy Grog served up in one of the original tiki bars.

Florida's oldest bar was once a morgue, complete with a hanging tree and gravestones.

This modern castle sat empty for decades before a fire inspired its builders to complete its luxury halls.

One of Savannah's oldest and most haunted cemeteries, featuring graves desecrated by Sherman's Union Army.

At 135 years old and counting, this historic print shop is heaven for poster nerds and music buffs.

Lie in a hammock where George Washington stood.

One of the few surviving "Wigwam"-themed motels.

Two men built this castle on the Florida coast as an artistic “landscape sculpture.”