For more than 100 years, the buildings was used to store livestock. Now, it's an office hub for a tech company.

Check out these photos from the fights at Invicta FC 56, which took place at Stockyards Event Center in Denver. (Photos by Dave Mandel, Invicta FC) Jennifer Maia def. Mayra Cantuaria - Invicta FC ...

They offer guided tours, as well, if you want to learn more about each animal, it’s purpose, and the history of the stockyards. For a small fee, you can even take your photo on a real longhorn.

If you only have a day in Fort Worth, head straight to the Fort Worth Stockyards National Historic District. This living museum pays tribute to Fort Worth's Wild West heyday with daily cattle ...