The so-called "world's shortest river" is actually a window into a cave.

Island ghost town detailing Flagler's folly in building the Overseas Railroad.

A monument celebrating the idea of reaching inaccessible places.

An 18th-century Spanish watchtower made entirely of seashell and concrete.

The third tallest lighthouse in America once guided author Stephen Crane to safety.

Welcome sign announcing Haverhill, MA, as the birthplace of horror rocker/artist/director Rob Zombie.

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

Memorial of the Salem witchcraft hysteria in the town of Danvers, where it all began.

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

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

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

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.

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

The highest point in Tennessee, Clingmans Dome bears witness to the ravages of one type of insect.

Who needs fancy modern water slides when this giant North Carolina rock works just as well?

This replica of the Greek structure is in the heart of Nashville.

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

Town of spiritualists and mediums in Florida.

A tribute to Ponce de Leon's supposed quest for eternal youth.

Where manatees are the snowbird vacationers in these balmy Florida springs.

Meet manatees face-to-face at this zoo for native species.

Welcome to old Florida, where a 1940s mermaid show is still enchanting visitors.

This Florida resort community is where the Amish come to have fun in the sun.