Protected areas established in 1951

national park in Tanzania

mountainous region in North West England, UK

Snowdonia, or '''''' (), is a mountainous region and national park in North Wales. It contains all 15 mountains in Wales over 3000 feet high, including the country's highest, Snowdon (), which is tall. These peaks are all part of the Snowdon, Glyderau, and Carneddau ranges in the north of the region. The lower Moelwynion and Moel Hebog ranges lie immediately to the south.

Dartmoor is an upland area in southern Devon, South West England. The moorland and surrounding land has been protected by National Park status since 1951. Dartmoor National Park covers .

upland area in central and northern England

national park in Formosa Province, Argentina

national park in Tanzania

Biosphere reserve in Bulgaria

wildlife sanctuary in Karnataka, India

waterfall on the Palouse River in Washington, USA

nature reserve in Burundi

national park in Australia

prefectural natural park of Tokyo, Japan