It reportedly took three years to sort through all the objects in this eclectic lifelong collection.

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

Dad jokes and wordplay abound in this comic fake cemetery.

A detached cement mixer has been transformed to resemble a relic from some obscure NASA mission to Oklahoma.

A museum and apothecary garden devoted to the history of frontier medicine.

The surprising home of the iconic Santa Monica Pier Ferris Wheel.

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

Named for the 39 tribes that live in Oklahoma, this restaurant's menu deliciously highlights local flavors.

A natural rock formation believed to be a cure-all.

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

One believer transformed a local curiosity into proof of Vikings on the Great Plains.

Standing at 21-feet tall, this space cowboy adds to the legacy of Route 66's muffler men.

Where hills of dirt conceal the burial ground of one of the most powerful ancient Native American societies.

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

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

A peculiar forest that was handcrafted for government experiments.

This historic folk art garden contains a nightmare tower that claims to be the world's largest concrete totem pole.

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

A whimsical tower with a spiral staircase, inspired by the Space Age and the Möbius strip.

An acoustic anomaly with a mysterious cause sits in the heart of Tulsa.

This 19th-century windmill was moved, stone by stone, in the middle of Kansas.

This early pioneer landmark is one of the oldest buildings in this part of Kansas and one of the few Dutch mills ever built in the state.

The largest mural in the world painted by a single artist.

This small museum contains fossils from an era when Kansas was underwater.