A large stone map of Arkansas awaits visitors to its highest point.

The home of the Dead Sea Scrolls is an abstract modernist dream.

This daunting 1st century fortress was purportedly the site of one of the most dramatic revolts of the Jewish-Roman wars.

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

This old residential building was once the largest flour mill in the world.

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

One of the world's premier laboratories for hydraulic engineering research takes full advantage of the water's power.

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

No one's quite sure where this quirky university tradition originated.

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

After the musical legend's death, his memorial was mysteriously graffitied in gold.

This 1960s kinetic artwork has been restored and is once again whirling away in downtown Minneapolis.

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

One of two giant blue cockerel statues erected with an intentional double meaning.

Opened in 1956, the first modern indoor shopping mall in the world was inspired by the shopping arcades found in European cities.

Secret hideaway for an alternative beach experience.

A treehouse assailed by the elements and the government, now gone.

A museum dedicated to the exploring past, present, and future innovations.