If you're interested in checking out abandoned castles in Oklahoma, there's a site in the southern part of the state that you have to add to your to-do list. Located in Turner Falls Park, Collings Castle is an abandoned castle tucked away in the hills overlooking Turner Falls. It's a short hike up to this expansive stone structure that was built in the 1930s...and it's worth the trek for both the thrill and the views.  So, if you're looking for an adventure that includes Oklahoma waterfalls too, grab a pair of boots and hiking gear in preparation for exploring this historic castle that's rumored to be haunted.

The Oklahoma waterfalls are the most famous attraction in Turner Falls Park, but you'll soon see there's so much more to discover. There's an old castle - Colling's Castle - hiding along the hillside that's an incredible place to explore too.

Collings Castle is just a short hike down the path from the falls. It's included in the admission to the park. It's a historic structure that is a must-see attraction and one of the best hikes in Oklahoma.

The castle was built in the early 1930s by Dr. Ellsworth Collings, Dean of Education at the University of Oklahoma. It served as his summer home for him and his family to gather with friends and enjoy the expansive views of the Arbuckle Mountains.

This rare Oklahoma castle was built beyond its time during the Great Depression and is a symbol of Old English architecture. The medieval and mysterious stone structure isn't like anything else you'll find in Oklahoma. Hence, making this one of the most memorable abandoned castles in Oklahoma to visit.

The stairs leading up to the castle are very steep and should be hiked with caution. Can you imagine the intense labor it took to get all the stone and building materials up this steep location during the 1930s?

Once you reach the top of one of the most unique Oklahoma hikes, you'll notice the castle is dilapidated and run down. The abandoned structure is missing windows, walls, and roofs as it's been overtaken by nature.

Visitors have reported hearing strange sounds coming from the walls of this abandoned castle. It's pretty creepy when you get inside and see all the graffiti and dark rooms as well.

Aside from viewing the Oklahoma waterfalls on this hike, take time to explore the insides of the castle. The compound includes two bunkhouses, two outhouses, and a stable area. There are even more stairs to these buildings, once you reach the main castle, so get those hiking boots ready.

The main house consists of three rooms and two living areas, both with fireplaces. You can still see the rust-colored rose rocks within this abandoned castle in Oklahoma.

You'll notice the extremely low ceilings and very narrow hallways inside the castle. Historians believe it's a sign of the harder times during construction. To keep labor to a minimum, the less they had to build, the cheaper and easier it was to construct.

So, if you're ready to explore one of the most scenic hiking trails in Oklahoma, take a day trip and visit Turner Falls Park and explore this medieval-looking castle abandoned in the hills of southern Oklahoma.

Have you had a chance to explore one of the best hiking trails in Oklahoma? If so, let us know about how much you enjoyed the Oklahoma waterfalls and abandoned castle on your adventure by leaving a comment below.