Cavanal Hill in #Poteau, #Oklahoma is the "World's Highest Hill" with an elevation of 1,999 ft, only one foot short of being a #mountain. It's a great place for hiking and has been a landmark for over 150 years.
The Tallgrass Prairie Preserve in northeastern Oklahoma is the world's largest protected area of tallgrass prairie on earth.
Did you know that #Oklahoma is home to the largest natural gypsum cave in the world that's open to the public? See it for yourself at Alabaster Caverns State Park in Freedom.
This McDonalds over I-44/Will Rogers Turnpike near Vinita, Oklahoma is one of the biggest McDonalds' in the world.