The twin towers in this Chicago fountain use 50 foot tall video screens to spit on people.

This historic hotel invented the chocolate brownie.

These pretty kitties killed and ate as many as 135 railway workers.

At Chicago's revered Field Museum, visitors are invited to learn about and literally explore DNA.

When ecosystems collide in the arid Southwest.

An immersive environment that is part haunted house, part choose-your-own-adventure, and part jungle gym.

The official atomic museum of the United States explores the explosive and productive history of a much maligned energy source.

Thousands of pieces of art have been carved into the rock at the site of an ancient volcanic eruption.

These aggressively sustainable art homes look like something out of 1970's science fiction.

A saloon and inn that served the Wild West's most iconic figures—and is still haunted by some of them today.

The scene of one of the darkest moments in American labor history has been left essentially untouched since the tragedy.

This unassuming layer of clay boasts an out-of-this-world origin story.

Oddly shaped rock formation, misassociated with a nearby utopian community.

A house carved into a rock in the 1940s.

This supermarket is suspended 25 feet above an interstate highway.

The world's largest piece of copyrighted artwork.

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

This monument on Breed's Hill proves that one of the most famous battles of the Revolutionary War is misnamed.

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

The site of Paul Revere's historic two lantern warning.

Ice cream stand, snack bar, and time capsule of milk conveyance.

An interesting decoration on this historic site, this weathervane comes with as many legends as it does questions.

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

Three prestigious academic collections come together to create a world-class natural history museum.