Complex sentence: The visitors centre is the place to find out what's on at the park and houses an exhibition on the history of the park, has stocks of all the park leaflets and the gift shop is stocked with souvenirs and books.
Split into simpler sentences: The visitors centre is the place to find out what's on at the park. It houses an exhibition on the history of the park, has stocks of all the park leaflets and the gift shop is stocked with souvenirs and books.