This fairy tale-themed amusement park is now abandoned, and childhood metaphors abound.

This stone tower in a small town's graveyard looks as though it would be more at home in a fairy tale.

This beautifully historic Bahrain fortress might not be the most popular attraction around, but that might make it all the better.

Skyscraper powered by wind turbines attached between its towers.

Berthed at the Charlestown Navy Yard in Boston, "Old Ironsides" is the oldest commissioned warship still afloat.

This massive tea kettle was once a promotional stunt for the Oriental Teashop.

This giant Boston statue of Mary is standing on a globe to show her power over the universe.

Friction between grains of sand cause a curious "singing" sound.

A New England ghost town features a trail of boulders etched with intriguing life lessons.

Stone monument honoring a town founder has a witch-boot shaped stain and a curse to go with it.

This 19th century granite fortification is one of the most well preserved forts in New England.

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

This tiny patch of arid sand sits in one of the greenest states in the United States.

The world's largest rotating world.

The only one of New Hampshire's original 14 World War II watchtowers to survive in near-original condition.

It was an experiment to prove that glacial boulders and rocks can be used in constructions and dwelling.

This dam in the woods, built by Henry Ford with only manpower and oxen, holds no water and serves no purpose.

Crumbling pink walls and murder memorials preserve the pioneer history of Joshua Tree.

The best place for scenic views of the DMZ and North Korea.

The site of many tense prisoner exchanges across the Military Demarcation Line between North and South Korea.

Secret North Korean passage discovered below the world's most dangerous border.

South Korea's largely symbolic, barely used gateway to the North.

A large visitor's complex and place of remembrance on the outskirts of the DMZ.

Home to more than 13,000 pieces of war memorabilia and military equipment.