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

At this Minnesota state park you can easily wade across the source of the mighty Mississippi.

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.

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

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

These curious caverns have been home to mushrooms, gangsters, and disco.

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

Abstract dinosaur models in London.

The remains of Crystal Palace Great Exhibition of 1851.

Kings Cross Station pays tribute to its role in Britain's best-selling book series.

Look closely and you’ll notice that the color changes a third of the way up the tower.

An out-of-place slice of France, smack in the middle of Shanghai.

Perhaps the most scandalous statue of America's first president.

An atomic bomb-proof strongbox protects the U.S. Constitution from terrorists and thieves.

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

The beloved statue at the National Academy of Sciences is oh so inviting to sit on.

The walls of the iconic dome are hollow and have a secret stairway.

The embalmed remains of the communist leader lie within a custom crystal coffin.

This ancient Chinese observatory still contains early astronomy technology.

The most famous location in China was home to whole dynasties worth of imperial rulers.