The only arched bridge made of stone on the entire Mississippi River.

Equal parts record-breaking temple to consumerism and bizarre fun park, it's more than you think it is...

When flour explodes, it's not a pretty sight.

The Midwest's reigning king of surplus stores is full of nothing you need and everything you want.

A theme park attraction designed to turn your children into LARPers.

The Battle of Atlanta in 360 degrees, featuring a corpse that bears a striking resemblance to Clark Gable.

Home to the Amorphophallus titanum "Corpse Flower," which is among the largest flowers in the world and also smells powerfully of rotting flesh when in bloom.

This bright yellow building is packed with sweet treats from all around the world, from chocolate-covered crickets to whoopie pies.

Megachurch turned Catholic church comprised of 10,000 glass panes.

Ever wanted to can Spam?

The actual model from the original "Star Trek" series is now on display at the National Air and Space Museum.

Come for the pizza, stay for a performance on the world's largest theater pipe organ.

More than 7,000 gallons of water pour over these cascading red quartzite waterfalls every second.

The fifth-longest suspension bridge the world, connecting one Michigan peninsula to another.

Island where motor vehicles are banned -- home to the only carless highway in the United States.

This zombie-themed restaurant stands out in the heart of corn country.

A toweringly silly piece of modern art has been delighting locals since the 1980s.

This wondrous hideaway is suspended in a bamboo forest above a sanctuary for rescued llamas and alpacas.

Just a man taking his prehistoric pet for a stroll.

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

The largest puppetry museum in the United States houses the world's most complete collection of Jim Henson artifacts.

20,000 pieces in a Frank Gehry-designed building.

An organ located deep within a cave, whose "pipes" are the geological features of the cave itself.

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