Category
Natural landscape - Volcanic and thermal
| Site | Locations | Year | Rating |
|---|---|---|---|
| Archipiélago de Revillagigedo | 4 | 2016 | 4.51 |
| Giant's Causeway | 1 | 1986 | 3.68 |
| Hawaii Volcanoes | 2 | 1987 | 4.24 |
| Heard and McDonald Islands | 1 | 1997 | 0 |
| Hierapolis-Pamukkale | 1 | 1988 | 4.04 |
| Isole Eolie | 1 | 2000 | 3.59 |
| Jeju | 5 | 2007 | 3.41 |
| Macquarie Island | 1 | 1997 | 4.41 |
| Mount Etna | 1 | 2013 | 3.21 |
| Pitons Management Area | 1 | 2004 | 3.06 |
| Pitons of Reunion | 1 | 2010 | 4.12 |
| Surtsey | 1 | 2008 | 2.67 |
| Teide National Park | 1 | 2007 | 3.77 |
| Tongariro National Park | 2 | 1990 | 3.55 |
| Ujung Kulon National Park | 5 | 1991 | 4.03 |
| Vatnajökull National Park | 1 | 2019 | 4.36 |
| Volcanoes of Kamchatka | 6 | 1996 | 4.63 |
| Yellowstone | 1 | 1978 | 4.75 |