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

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

A museum within a museum, devoted to history's most questionable medical devices.

143 feet of leaping muskie whose mouth can be used as a wedding venue.

This striking art museum holds an amazing series of curiosity cabinets.

Home to the world's largest refracting telescope and the birthplace of modern astrophysics.

Wisconsin's most celebrated export gets the royal treatment on I-94.

A river with some unusual, and occasionally dangerous, habits.

A six-story-tall golden pyramid, surrounded by a moat.

The only Bahá'í house of worship in North America and one of only a handful worldwide.

An enormous park-like oasis, full of famous Chicagoans' graves.

A hot dog stand where the heads are just as hot as the dogs.

Home to a protest movement, a bombing, and a dramatic change in labor history.

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

This historic "City of the Dead" lies prominently in the center of New Orleans' famous Garden District.

Home to the largest urban bat colony in North America, estimated at 1.5 million bats.

A Roman-style column in Oregon hides a spiral staircase inside.

A roaring, awe-inspiring double cascade of icy water flows through woodland Oregon like something out of a Tolkien novel.

The world's smallest park was dedicated in 1948 as the only colony for leprechauns west of Ireland.

An entire town preserved as a historic landmark.

An apocalyptic seismic event creates a deadly chain reaction that ends with a 6-mile long lake developing within weeks.

One of nature's most well-scheduled phenomenons resides in Wyoming's Yellowstone National Park.

Roadside collection of 65,000 signs.

Massive kielbasa stands 42 feet tall and weighs in at 12,000 pounds.