These fantastically named natural pools look like something out of a Scottish myth.

Home to a seasonal waterfall and swimming hole in the Ouachita Mountains.

The seventh largest spring in the world.

A short boardwalk through a swamp leads to the spot from which the Louisiana Purchase was surveyed.

Everything in this miniature world was handmade from matches, paperclips, wires, tin cans, and other everyday objects.

One of the most acclaimed eateries in Arkansas is a two-table diner on the ground floor of a family home.

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

19th-century operating theatre in which the use of ether was first demonstrated - plus, a skeleton and a mummy!

Dim sum, served in a grand old theater.

The oldest Italian café in Boston, this spot also serves as a veritable museum of vintage coffee ephemera.

Brass cobblestones mark the places where individual Holocaust victims were taken from their homes.

Inside this McDonald's you can dine on your Big Mac and fries next to a 2,500-year-old Roman wall.

2300-year-old Roman road connecting the empire.

A master of trompe-l'oeil creates a stunning, tourist-fooling dome out of a flat ceiling.

This hidden Art Nouveau courtyard is an opulent feast for the eyes.

This Spokane mansion and the stories within its walls have been brought back to life, thanks to careful restoration.

A giant milk bottle from the 1930s beckons drivers to this diner.

This stimulating sex toy museum is sure to arouse the interest of its visitors.

Home to the Titanic Historical Society's collection.

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

Located just behind a quiet residential neighborhood, this is ground zero for the Salem witchcraft hysteria of 1692.

A small town Romanian cemetery filled with darkly humorous gravestones.

Gold Rush-era tombstones line the park's paths.

Walk up a ramp through a forest for panoramic views of Lake Michigan.