A castle hand-built by a Spanish dreamer in the Australian tropical jungle.

At this Minnesota state park you can easily wade across the source of the mighty Mississippi.

Panoramic views of the city of New Haven and the Long Island Sound, with a side of history.

She become one of the first women to serve in the United States military by secretly dressing like a man.

This museum sits on the site of a decommissioned military communications base.

This 5,000-year-old tomb once had its own hinged door.

Sweet Willy, at 30 feet tall, is the world's biggest beagle.

Hut with supplies for shipwreck survivors.

Somewhere there is a giant who can no longer poop, but now travelers can stay inside his anus.

A medieval castle in the middle of rural Texas.

A cave on the Maryland border where civilians took refuge during the bloodiest battle of the Civil War.

Hellam Township is reputed to feature seven remote gates, which when passed through in the right order, open an entrance to hell.

A Civil War Museum with some notable medical antiques.

A museum and research center dedicated to preserving the history of Rolls-Royce and Bentley motorcars.

A pre-Industrial Age iron furnace and the site of a nearly-forgotten piece of Black history.

This Maryland farm is known for its amazing corn mazes and its 30-foot junkbots.

The Cold War-era "underground Pentagon" is a sprawling subterranean hideaway for the Defense Department.

An almost life-sized elephant named Ms. Ellie greets visitors at this jumbo-themed museum.

Once on display alongside a giant Gumby, it’s as tall as a nine-story building when fully extended.

This 29-ton granite ball spins around at the slightest touch thanks to a scientific phenomenon.

This museum devoted to the gothic author holds such interesting ephemera as his socks and walking stick.

The haunting "Hell House Altar" is one of the few remnants of an abandoned college that has been a magnet for local legends.

An indoor miniature village and labor of love for Laurence Geiringer, a model railroad enthusiast.

Ancestral Puebloan ruins, natural arches, and box canyons abound in this seldom-visited corner of Monument Valley Navajo Tribal Park.