The world's largest woodcarving collection includes dozens of Bible scenes and a wooden bestiary, all carved by one man.

Almost half-way between the Equator and North Pole.

Island where motor vehicles are banned -- home to the only carless highway in the United States.

This spectacular track has run continuously since 1882.

One of the largest Masonic temples in the world, created at the height of the oil boom in ostentatious style.

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

Claims to be the "World's Highest Hill."

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

Though it's no longer a functioning train depot, this castle-like structure is an important piece of Oklahoma history.