Which national park in Oklahoma preserves one of the largest remaining tallgrass prairie ecosystems in the world?

Which Oklahoma city is home to the Philbrook Museum of Art housed in an Italian Renaissance villa?

Route 66 enters Oklahoma from Kansas and exits into which state?

Which mountain range in southwestern Oklahoma is one of the oldest in North America?

Which river forms most of Oklahoma's southern border with Texas?

The Cherokee Heritage Center is located near which Oklahoma town?

Which Oklahoma city is known as the Cowboy Capital of the World and hosts the National Cowboy and Western Heritage Museum?

Which lake is the largest in Oklahoma by surface area?

What is the name of the red soil that gives parts of Oklahoma their distinctive rusty color?

In which mountain range is Turner Falls located?