Note from 10Best: Someday, we'll all be ready to pack our suitcases again and head out on our next adventures. In the meantime, we'll keep supporting the places that inspire us. At these 20 safari and wildlife parks, nominated as the best in the U.S., visitors get up close and personal with exotic and endangered animals from around the country and the world. Many of the facilities are accredited by the Association of Zoos and Aquariums and have a focus on conservation as well as education. Vote for your favorite once per day until polls close on Monday, May 24 at noon ET. The 10 parks that receive the most reader votes will be announced on Friday, June 4. Read the official Readers' Choice rules here.