Hverfjall

Grjótagjá is a small lava cave near lake Mývatn with a thermal sp

Jarðböðin – Mývatn Nature Baths inokwezva vashanyi, imwe yeiyo Hot s

蓝湖可以指：

Hverir is een gebied met hete bronnen in het noorden van IJsland.

Mývatn is a shallow eutrophic lake situated in an area of active

Krafla is a caldera of about 10 km in diameter with a 90 km long f

Selfoss is a waterfall in the river Jökulsá á Fjöllum in the north of

Mount Vesuvius (in Italian Monte Vesuvio and in Latin Mons Vesuvius)

Popocatépetl (commonly referred to as Popo, El Popo or Don Goyo)

Mount Etna, is an active stratovolcano on the east coast of Sicily,

The Hengill (Icelandic, pronounced ]) central volcano is situated in

Eldfell is a composite volcanic cone just over 200 metres (660 ft) h