The watery grave of an impractical idea.

A collection of 1,300 accordions of all shapes and sizes displayed in chronological order.

The famed architect designed this Minnesota gas station of the future with a lookout tower.

The remains of a enormous earthen figure of unknown origins cuts across a rural Wisconsin road.

"World's largest scrap metal sculpture" stands in an outdoor sculpture garden in the middle of Wisconsin.

More than 5,000 contemporary and "historic" mustards from around the world.

One of the last surviving C-97s sits in a field in front of a Wisconsin inn.

A bizarre house filled with an astounding array of collections.

The only Frank Lloyd Wright-designed structure in the architect's hometown.

Small-town museum dedicated to outer space ... and bicycles.

These molds for fiberglass statues have formed an eerie, accidental sculpture park.

A museum celebrating the self-taught artist-environment builder.

This beacon for pre-radar pilots once guided Charles Lindbergh to a safe touchdown in Tulsa.

The fifth tallest statue in the United States is a shirtless monument to the oil worker.

The collection is housed in an exquisite mansion that makes you feel like you've been transported to an Italian villa.

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

A former chicken restaurant that doubled as a speakeasy is now a quirky home full of wonderfully strange traditions.

Sid Vicious famously punched a hole in the wall of this iconic music venue.

A museum packed with instruments, lyrics, and other mementos of the American folk icon.

An acoustic anomaly with a mysterious cause.

A half-size replica of the World Trade Center towers above Tulsa.

This abandoned, windowless concrete block is one of the strangest buildings in Tulsa.

One of the best examples of Art Deco architecture in the United States.

Once in disrepair, the house where the 1983 film was shot has been restored and turned into a museum.