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

American bison herd descending directly from a Bronx Zoo breeding program that saved the species from extinction.

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

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

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

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

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

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

Along the historic Mother Road is an old gas station with a secret counterfeiting past.

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

Collection of skeletal systems from the "world's leading supplier of osteological specimens."

Nature's biggest mammal swims in landlocked Oklahoma.

The future of roadside attractions is this sci-fi soda mecca that is home to a 66-foot tall neon pop bottle.

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

A 19th century library favored by Edgar Allan Poe and H.P. Lovecraft, known by locals as "the Ath."

Rhode Island's tallest building bears a resemblance to the "Daily Planet" building and has been empty for more than five years.