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

When waves crash onto this section of beach, the rocks sing a song.

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

This massive roadside mascot was the first version of the giant to illustrate his butt.

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

A whimsical sensor instrument for Minneapolitans to play on their walks to work.

This lab's maddening silence is good for business but bad for sanity.

An old spiral fire escape dangles above a public courtyard in Midtown Oklahoma City.

Over 50 historic windmills whir away at this outdoor museum.

These massive mitts are made of 30 tons of devotional bronze.

An acoustic anomaly with a mysterious cause.

Small plaque marks the spot, but the true center is located about half a mile away on a private pig farm.

A wonderful collection of all things Oz is nestled in the heart of Kansas.

America's smallest town is run by its single citizen/mayor/librarian/bartender.

An experimental, automotive replica of Stonehenge.

A pop-culture attraction outside of Dyersville, Iowa, hits a home run.

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

A half-mile long and three stories high, this bridge over the Des Moines River Valley mimics a descent into a mine shaft.

The museum calls itself the "National Museum of the Paranormal" and is full of eerie oddities.

Decades of discarded bottle caps line this alleyway, a fixture of Texas A&M.

This water tower slanted at an uncomfortable angle off the old Route 66 was an ingenious marketing ploy.

In Paris, Texas they have their own Eiffel Tower, it just has a cowboy hat on it.

A recreated Stonehenge stands in a country field, complete with Easter Island moai heads standing as sentries.

Mysterious glowing orbs float through the desert night.