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

This cemetery has graves dating back to the 17th century, including the city's oldest carved tombstone and an ominous cryptogram.

This whimsical group of statues is a favorite of children who love to climb all over Lewis Carroll's beloved characters.

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

On the Hudson resides one of the largest clocks in the world.

Vintage cars and motorcycles race for glory in a throwback motorsport celebration on the Jersey shore.

The rusting remains are visible sticking out of the waters of the Delaware Bay.

World War II bunker still standing on the New Jersey beach.

Step inside Lucy, the world's largest "elephant."

A historic Civil War estate-turned-museum looks back on the Confederate States of America.

The fifth-longest suspension bridge the world, connecting one Michigan peninsula to another.

Island where motor vehicles are banned -- home to the only carless highway in the United States.

A more than 260-year-old crypt built on Boston's oldest English burial ground.

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

The homestead of American patriot John Adams.

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

Statue in Salem of the woman who starred as the witch Samantha in the sitcom "Bewitched."

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

Experience the hysteria of a 17th century witch hunt through goofy reenactments and wax dummies that should probably be burned at the stake.

This small section of the Sleepy Hollow Cemetery is rotten with famous authors' graves.

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

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

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

This rare triple-jurisdiction drawbridge passes through Virginia, Maryland, and Washington, D.C.