This historic address is home to the beloved ball and is an almost totally empty building among the most expensive real estate in the world.

The fanciest public restroom in New York City boasts fresh flowers, art, and a classical music soundtrack.

Lady Liberty's first beacon of enlightenment is now displayed in a museum near the statue.

A pedestrian island in the middle of world-famous Times Square emits a strange (and purposeful) humming noise.

The "Seinfeld" diner.

Try not to get slimed in Tribeca.

These 20-foot sculptures will help guide you from the local train station to the local sculpture garden.

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

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

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

Huge masonic hall in Philadelphia with lavishly themed rooms.

Philadelphia boasts one of the best — and most often overlooked — traditional Japanese gardens in North America.

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

World's first "penitentiary," meant to be humane, drove men insane.

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

The oldest active church in Pennsylvania is also the second oldest Swedish Church in the United States.

Current docking place of the SS United States, the fastest transatlantic ocean liner.

The first partially complete dinosaur skeleton was discovered here, forever changing the world's view of the ruling reptiles.