[11] Initially the road through the park was 3.5 miles (5.6 km), with visitors driving past lions, cheetahs, monkeys, giraffes, zebra, elephants and various antelope.
For instance, tigers are now displayed in enclosures within the reserve, and a bypass around the baboons was built for visitors who are worried about damage to their cars.
[12] The park has hosted several sporting events including the Olympic torch relay, watched by 6,000 children and families in June 2012.
The Derby Estate have a tradition of keeping animals, ever since the artist and nonsense-poet Edward Lear was employed there in the 19th century to paint pictures of the Earl's collection.
In 2009 the baboons made the news all over the world when a video was released showing how they were intelligent and curious enough to open car roofboxes.
The exhibit also houses the 'Equatorial Express', a small train which visitors can ride to gain a unique viewpoint of the animals.
Knowsley also recently lost their cow named Shaba due to a long battle with elephant arthritis.
This zone contains: Southern White Rhino, Roan antelope, Eland, Lechwe, Wildebeest, Plains Zebra, African Forest Buffalo, Ostritch and Waterbuck.
This zone previously housed African wild dog, Iberian Wolf and Siberian tiger.
There is also a collection of amusements and fairground rides on site plus paintballing, off-road driving challenges, and aerial extreme ropewalks.