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

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

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

This former mining town was named the most toxic town in America.

Three markers installed over the course of 140 years mark the point where Arkansas, Missouri, and Oklahoma converge.

This monumental Jesus is often referred to as "Our Milk Carton With Arms."

This haunted hotel built on natural springs once served as a hospital for a quack doctor promising a cure for cancer.

This futuristically sylvan church is a glass-enclosed marvel of modern architecture.

One of the oldest show caves in Arkansas.

This mill has survived a tumultuous past to still produce flour and cornmeal.

An outsider art studio that created a piece of work so popular they had to turn mainstream.

Town not known for anything except its strange name.

The Old Mill shown in the opening credits of “Gone With the Wind” is actually fairly new, and was never a mill at all.

A beautiful South Korean gate and garden in Little Rock honors American Taekwondo.

Yup, that's where the name came from.

The finest example of Gothic Queen Anne Architecture in the U.S. was built out of rivalry and spite.

This Little Rock legend has survived decades of rowdy crowds, three fires, and a zombie wedding.

People of the Plum Bayou culture built these enormous mounds over 1,000 years ago.

A desert settlement founded and later abandoned by Hawaiian members of the Church of Jesus Christ of Latter-day Saints in Utah's Skull Valley.

Named for a prominent scout and explorer, this Wyoming state park encompasses a replica of an 1840s trading post, a 19th-century Army outpost, and early 20th-century automobile lodgings.

A spectacular overlook of the Little Grand Canyon of the San Rafael River, a deep sandstone gorge streaked with orange, red and white in a remote, uncrowded part of Utah.

This gallery of prehistoric red ochre art lines the wall of a scenic segment in Utah's San Rafael Swell.

A remarkable time capsule of American manufacturing deep in Maryland coal country.

These headstones and a few stone foundations are all that remain of a once-booming mining town.