Based on the title provided, you are likely referring to the 2007 documentary film

, host specific events where visitors can bring their domestic dogs to explore designated paths. 2. Recreational "Pet Play" and Animal Events

When the keepers finally dug their way out two days later, they found the two animals still entwined. Jasper was resting his heavy head on Barnaby’s shoulder, and Barnaby was snoring softly, his white fur dusted with the horse’s frozen breath.