The only presidential monument to display a late POTUS's actual casket.

Experience a charming 1930s version of "infotainment."

The walls of America's oldest masonry fort famously "swallowed" cannonballs.

This grave marks the final resting place of a legendary frontiersman... unless it doesn't.

A wonderful display of arts and crafts handmade by local artisans in the Southern Appalachians.

Paths are maintained, but trees have taken over plots.

Now abandoned, the first public health hospital in the U.S. saw more than one million immigrants from around the world.

Some North Carolina Cherokee have been keeping their history alive for decades with a single play.

The world-record holder for the longest bridge stretching continuously over water.

South Philadelphia is home to Keith Haring's only surviving in situ collaborative public mural.

The island residents are known for taking their quirky sense of humor with them to the grave.

This Transylvania County city is home to a rare white squirrel population that is descended from an escaped carnival animal.

One of the only Florida forts to remain in the hands of the Union all through the Civil War still stands as a historic stronghold.

A six-foot pair of socks hangs from a drawer of the world's largest bureau.

What was once a presidential estate is now an exotic menagerie and home to the Budweiser Clydesdales.

This elaborate towering structure was once famed for its revolutionary height.

Tour the oldest unrestored plantation house in America that is open to the public.

A small park on Bourbon Street features life-size bronze statues of New Orleans musicians.

A prime example of New Orleans' unique architecture these early 20th century homes were built to look like steamboats.

Once one of the world's great cities, Cahokia was a place of religious worship, trade and mass human sacrifice before being mysteriously abandoned.

Charleston's historic city jail once held everyone from pirates to Civil War POWs.

This is not your typical jungle gym.

The walls of the iconic dome are hollow and have a secret stairway.

A historic house in St. Louis was plagued by a series of suicides committed by family members involved in a successful brewery.