Puente del Inca | Old railway station
Salinas Grandes with students
Izaña | Teide Observatory and Pico del Teide
Pico Viejo with Narices del Teide
Machu Picchu with Huayna Picchu and Río Urubamba
Machu Picchu with Huayna Picchu and Río Urubamba
Machu Picchu with Huayna Picchu at sunrise
Machu Picchu with Huayna Picchu
Machu Picchu with Huayna Picchu
Machu Picchu with Huayna Picchu
Machu Picchu with Intipampa and Huayna Picchu
Machu Picchu with Intipampa and Huayna Picchu
Machu Picchu with Huayna Picchu
Machu Picchu with Huayna Picchu
Machu Picchu with llamas and Huayna Picchu
Pasterze | Former position
Veneziaspitze with Hohenferner and glacial lake
Reykjavik | Tækniskólinn
Salineras de Maras
Salineras de Maras | Panoramic view
Urubamba Valley | Descent from Montaña Machu Picchu
Machu Picchu with Huayna Picchu
Machu Picchu | Huaca Puncu
Machu Picchu | Grupo de la Portada
Machu Picchu | Acclahuasi
Machu Picchu | Intipampa and lower town
Machu Picchu | Terraces and Montaña Machu Picchu
Laguna Palcacocha with meteorological station
Cirque de Mafate | Marla with school
Cirque de Mafate | La Nouvelle with school
Volcán Osorno with lahar channel
Cerro Paranal and Volcán Llullaillaco
Obergurgl | Environmental education
Lake Tekapo | Mt. John Observatory
Zermatt | Gornergrat and Matterhorn
Mauna Kea | Observatories
Mauna Kea | Observatories
Mauna Kea | Summit area
Mauna Kea | Pu'u Poli'ahu
Bodie Hills with Bodie
Tarfala Valley | Storglaciären with Kebnekaise
Tarfala Valley | Tarfala Research Station
Tarfala Valley with Tarfala Research Station
Tarfala Valley with Tarfala Research Station
Tarfala Valley with Tarfala Research Station
Tarfala Valley | Tarfala Research Station
Tarfala Research Station and Isfallsglaciären