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

The stone marker that Mason and Dixon placed at the eastern end of the famous north-south border they surveyed.

The grounds of former plantations where abolitionist Harriet Tubman spent her youth enslaved are now a museum to her incredible life.

This statue of two men in a rowboat was erected to honor those who died while fishing in the Chesapeake Bay.

Mysterious 500-year-old tapestries depict a unicorn hunt.

This hidden oasis features a stunning view of the Hudson River and the Palisades from a castle-like museum.

A portrait of the Charter Oak hangs in a frame made from the Charter Oak.

Intricate, eye-catching, award-winning rubber sculptures liven up this Pennsylvania town.

This large stone residence served as a field hospital during the Battle of Gettysburg between stints as a tavern.

This extraordinary Depression-era expenditure was modeled after a postcard of a Mediterranean hotel.

This 25-foot-tall gorilla made his way from the Wildwood boardwalk to a Pine Barrens gas station and deli.

In the woods of New Jersey lie the ruins of a munitions village abandoned after World War I and the remnants of a 1920s wooden racetrack.

This historic iron-working village is now a ghost town so immaculate that it looks as though it was recently built.

This beloved marketplace mascot poops money and grants good luck.

Huge masonic hall in Philadelphia with lavishly themed rooms.

The taxidermied remains of Charles Dickens' pet raven, which helped inspire one of Edgar Allan Poe's most famous poems.

Tour the dark and beloved poet's former cobwebbed basement, which may have inspired "The Black Cat."

A tour de force of a fountain, memorializing a man who loved fountains more than anything else.

Dr Barnes' $25 billion private collection of art and arboretum.

North America’s largest collection of horological devices and home to a colossal clock with a dizzying array of features.

A swirling spectrum of stained glass dazzles visitors who enter this subway station.

This mesmerizing kinetic sculpture blossoms endlessly in the breeze.

Immortalized in bronze, this frazzled student will be glued to his screen for centuries.

Its columns were all carved from the same white oak tree.