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

This landmark cemetery in Boston was created more than 300 years ago.

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

The site of one of the strangest disasters in history—a wave of deadly molasses traveling at 35 mph.

Macabre headstones carved with winged skulls, dancing skeletons, and pithy reminders of impending death.

A beautiful Victorian-era cemetery, complete with a miniature village.

Holding multiple historical boats and an entire 19th century village, this New England attraction is the largest maritime museum in the world.

The Binghamton area is home to six of the last remaining hand-carved vintage carousels.

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

A dark patch of the ceiling at Grand Central Terminal which was not restored is still stained brown by tobacco.

Sniff the Titan Arum's rotting flesh.

Oldest existing church in New York and the inspiration for Washington Irving's "The Legend of Sleepy Hollow."

This sculpture by artist Fritz Keonig survived the 9/11 attacks and now stands as a monument to the victims.

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

Whisper secrets in a busy station only to be heard on the other side of this acoustic arch.

Georges Seurat’s pointillist masterpiece has been recreated in Ohio in topiary form.

Take a drunken tour inside the world's largest known geode.

The largest earthwork effigy in the world.

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

This Delaware River bridge is emblazoned with a catty slogan from a more prosperous time.

A daily replay of the experiment that proved the rotation of the Earth.

A diorama of the Civil War, fought by cats.

Memorializing an American tragedy of massive proportions.

A dramatic, 360-degree recreation of Pickett's Charge in the Civil War.