Dorset a number of small rivers run into the sea along the Dorset coastline; most notable of these are the Char, Brit, Bride and Wey. Most of Dorset's coastline is part of the Jurassic Coast, a World Heritage Site, which stretches for between Studland and Exmouth in Devon. This coast documents the entire Mesozoic era, from Triassic to Cretaceous and is noted for its geological landforms. The Dorset section has yielded important fossils, including Jurassic trees and the first complete Ichthyosaur, discovered near Lyme Regis in 1811 by Mary Anning. The county features some notable coastal landforms, including examples of a
Area de Conservación Guanacaste World Heritage Site marine habitats.. It formally became part of National System of Conservation Areas—SINAC in 1994, and a World Heritage site in 1999. The World Heritage site includes: Area de Conservación Guanacaste World Heritage Site The Area de Conservación Guanacaste is a network of protected areas and a World Heritage site in Guanacaste Province, in northwestern Costa Rica. The area of the national parks combined totals 1470 square kilometers as of 2004. This reflects a long-term process of growth, which started with the establishment of Santa Rosa National Park in 1971. Over several decades, surrounding lands were purchased and nearby national parks