This WWII-era military installation once held an entire city within its walls - now, its walls are falling down.

The ruins of a town wiped out by the second-largest earthquake in recorded history.

During the summer, surfers in Alaska take advantage of this inlet’s unusual water patterns.

Clean, cold drinking water flows from a nondescript pipe in a roadside rock face.

A high school astronomy enthusiast designed this model of our solar system to be traversed on foot.

Colorful boxes placed over the dead are left to rot and crumble.

The king of U.S. high points towers over every other peak on the continent.

The first car-centric shopping plaza in the U.S. brought a little bit of Spain to downtown Kansas City.

What was meant to be a temporary exhibit is now a permanent fixture at the St. Louis Zoo filled with beautiful birds.

Four, 18-foot-tall badminton shuttlecocks lie scattered about the lawn of a Kansas City museum.

The world's largest collection of fine-scale miniatures and one the nation's largest collections of antique toys.

A creepy sculpture of a decapitated head invites viewers to see St. Louis through its empty eyes.

Curious cave that stays a cool 56 degrees all year long.

Less a museum than a bizarre fantasy world created by artists and engineers.

One of the world’s largest collections of paper memorabilia chronicles 4,000 years of papermaking.

This stone is a marker of one millionaire's personal vendetta against gravity.

Civil War soldiers, captains of industry, and paupers all interred on historic grounds.

An underground magnet for ever-changing street art.

This massive store is home to an eccentric collection of vintage, retro, and peculiar goods.

A slanted tomb honors the faithful, furry companion of the Georgia Tech student body.