Volcán Villarrica with eroded lava flow
Montanha do Pico | Piquinho
Montanha do Pico | Summit area of Piquinho
Puerto de la Cruz | Playa Castillo
La Laguna | Lava flow and Volcán de Tajogaite
El Médano | Coastal promenade and Montaña Roja
Las Cañadas | Minas de San José and Pico del Teide
Fogo | Slopes of Pico do Fogo
Pico do Arieiro | Volcanic layers and dike
Pico do Arieiro | Volcanic layers and dikes
Maciço Montanhoso Central | Trail Pico do Arieiro - Pico Ruivo
Maciço Montanhoso Central | Trail Pico do Arieiro - Pico Ruivo
Ponta de São Lourenço with Pico do Furado
Sólheimajökull | Terminus with proglacial lake
Þingvellir | Tectonic fault and tourists
La Grande Chaloupe | Traffic lines
Volcán Osorno | Chair lift
Volcán Osorno with lahar channel
Volcán Villarrica | Tephra layers
Brisbane | Kangaroo Point Cliffs
Brisbane | Climbing the Kangaroo Point Cliffs
Volcán Cotopaxi with glacier
Volcán Cotopaxi | Glacier terminus
Aci Castello | Volcanic layers
Alcántara Gorge | Basalt columns