Frank Lloyd Wright’s most iconic home dangles over a Pennsylvania waterfall.

There aren't too many operational funiculars around, but Pittsburgh has two!

Alexander Hamilton’s creation caused quite a bit of controversy.

Mural made of 100,000 pieces of hand blown glass, and one of the largest glass murals in the US.

A museum dedicated to the strange and extravagant costumes and memorabilia of the mummers, a tradition older than Philadelphia itself.

A layered tribute to the work of mosaicist Isaiah Zagar.

Ant sculptures march up the side of what used to be an iconic spot in punk rock lore.

This charming colonial alleyway is one of the oldest continuously used residential streets in the U.S.

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

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

The sounds of the world's largest fully functioning pipe organ dazzle shoppers at a Philadelphia Macy's.

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

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

The world’s first penitentiary, meant to be humane, drove men insane.

Yo, Adrian!

The oldest still-operating tavern in the United States was once owned by a pirate.

The second oldest Jewish graveyard in the U.S. is tiny, with connections to George Washington and Henry Wadsworth Longfellow.

Mysterious stone tower featured in many alternative histories of the New World.

Enjoy an overnight at an old haunted B&B site of the Borden family murders.

The oldest place in Hartford is a cemetery with thousands of bodies stacked beneath the grass.

The author of Uncle Tom's Cabin was neighbors with Mark Twain while living in this Connecticut home.

The former home of Samuel Clemens and family remembers the happiest period of the author's life.

A work of art that pays homage to a Victorian timepiece in Providence.

From horses to stainless-steel trucks, this iconic Providence burger wagon is one of the oldest mobile diners in the country.