Emerald Lake in the crater of an extinct volcano. Tongariro National Park - NewZealand
Emerald Lake in the crater of an extinct volcano. Tongariro National Park - the oldest and most famous park in the North Island of New
giant whirlpool in Crater Lake National Park
Giant crater lake - The crater lake at Crater Lake National Park in Oregon was formed about 150 years ago by the collapse of the volcano Mount Mazama. PIC BY FRANCOIS GOHIER / ARDEA / CATERS NEWS
Snowy Crater Lake and Wizard Island, Crater Lake National Park, Oregon
Villarrica Volcano, Villarrica's National Park, Lake District, Chile
Emerald Lake Mist, Yoho National Park - BC, Canada.