This tiny church near Sleepy Hollow contains Henri Matisse's last work, a rose window, and nine windows by Marc Chagall.

Controversial tribute to the heavyweight champion boxer who grew up in Detroit.

A former waterfront market is now in the center of town due to some interesting Boston engineering.

This monument on Breed's Hill proves that one of the most famous battles of the Revolutionary War is misnamed.

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

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

The American Revolution was galvanized into serious action due to the tragic clash with British soldiers that occurred at this location.

The only structure left with direct ties to the Salem witchcraft trials of 1692.

The 340-year-old house that inspired the classic Nathaniel Hawthorne novel.

"the sweltering inhabitants of Charleston and New Orleans, of Madras and Bombay and Calcutta, drink at my well . . . The pure Walden water is mingled with the sacred water of the Ganges."

The farm where one of America's greatest leaders was raised is now a well-appointed landmark.

The world's longest known cave system.

A museum and doll store featuring a surreal and super sanitized version of where babies come from.

Electrical pylon in the shape of Disney's beloved mouse.

A building so large that it has its own weather.

This unreal Portuguese palace looks as though it's made from a pile of different castles.

A king's pet, a pope's gift, an artist's inspiration, and a tragic shipwreck.

A rare set of strings by famed instrument maker Antonio Stradivarius is on display in the Royal Palace.

One of many reminders of Tesla's scientific contributions overlooks the falls which inspired him.

This Niagara Falls tourist trap is a world bright with neon and curiosities that will inspire love, hate, or a mixture of both.

After the attack on Pearl Harbor, rocks and fossils from every U.S. state were collected into a pyramid of national unity.

Toxic waste disaster that founded the Superfund program.

Why have you never heard of the second most popular tourist site in New York?

The first pet cemetery in the United States.