Cat Tien National Park is a UNESCO Biosphere Reserve located in Dong Nai province. It is home to a diverse range of flora and fauna, including rare and endangered species such as the Javan rhinoceros and the Siamese crocodile. Visitors can explore the park through various activities like trekking, bird watching, and wildlife spotting. The park also offers accommodation options for those who wish to stay overnight and fully immerse themselves in the natural beauty of the area.