The remains of a World War II munitions factory still haunt the fields of this Twin Cities suburb.

This historic mansion was built as a symbol of love between a husband and wife.

Only museum dedicated to women pilots, with personal artifacts from Amelia Earhart and other aviatrixes.

This locally-famous crevasse in New York State is icy all year round.

These giant mummies are set ominously into a Peruvian cliffside and topped with real human skulls.

Nine of the very few concrete ships ever made in the U.S. are beautifully decaying off a Virginia pier.

An old vending machine serves up unpredictable beverages from its seemingly magical insides.

This geothermal hot spring hides beneath a slowly growing mineral dome.

This strange seaside tower got its name from a wealthy eccentric who would hide coins among its stones.

"World's largest scrap metal sculpture" stands in an outdoor sculpture garden in the middle of Wisconsin.

The remnants of a wooden-hulled fleet built and abandoned in WWI, now home to a thriving ecosystem.

The second largest waterfall by volume in the U.S., Willamette Falls is outdone only by Niagara in the amount of water that is pushed northward.

An alternate history park where the Union Army loses the war... to dinosaurs.

Exact replica of the ancient monument, but much, much lighter.

A sacred site for Native Americans surveyed by George Washington and owned by both King George III and Thomas Jefferson.

Rather than a run-of-the-mill franchise hotel, this lodging has been decked out in dinosaur decor.

These molds for fiberglass statues have formed an eerie, accidental sculpture park.

Museum with an extensive collection of Cray supercomputers and related artifacts.

A town filled with hot chocolate, dazzling lights, and lots of Christmas cheer.

Giftshop catering to cryptozoologists and anyone with a sense of humor.

A clock designed to run with perfect accuracy for 10,000 years.

This giant volcanic crater holds its very own field of salt.

Remnants of 19th century vigilante justice.

Underwater art project will double as a massive artificial coral reef to help regenerate the damaged ecosystem.