"The Most Boring Road in the State."

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

This shallow cave got its name from copious amount of human bones found inside.

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

The eccentric mansion of one of the most popular horror authors of modern times.

This handsome giant is said to mark the birthplace of the mythical woodsman and even had a cameo in a Stephen King novel.

The first bridge observation tower in the U.S. offers one of the best views of Maine.

The world's largest rotating world.

Trinkets and toys lovingly handmade by maximum security prisoners.

A son's promise to his dying father in the form of a covered bridge filled with thousands of seashells.

Eclectic collections, artwork, and some feline friends fill the writer's former home.

The site of one of history's most indelible and horrific tragedies.

Memorial built in 1922 in remembrance of WWI casualties.

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

The land is home to swimming ponies and a legendary 18th-century treasure.

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

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

The Dover International Speedway is home to a towering, concrete-skinned, racecar-hungry behemoth.

One part antique store, one part curiosities hodge-podge.

Home to the largest urban bat colony in North America, estimated at 1.5 million bats.

This water tower slanted at an uncomfortable angle off the old Route 66 was an ingenious marketing ploy.

A sculpture made of 10 Cadillacs as a monument to the “Golden Age” of the American automobile.

This extravagant Art Nouveau rest stop features a million-dollar view of the Columbia River.

Despite a legend that says this highest peak in Oregon was climbed in high heels, scores of people have died on its slopes.