- Volcán Villarrica with eroded lava flow
- Salinas Grandes with students
- València | L'Umbracle at sunset
- València | Ciutat de les Arts i les Ciències
- València | Ciutat de les Arts i les Ciències
- València | Ciutat de les Arts i les Ciències
- València | Ciutat de les Arts i les Ciències
- València | Ciutat de les Arts i les Ciències
- València | Ciutat de les Arts i les Ciències
- València | Ciutat de les Arts i les Ciències
- Bregenz | Rathausstraße with vorarlberg museum
- Cruz de Gala | Laurisilva
- Coimbra | Colégio das Artes
- Coimbra | Faculdade de Letras
- Coimbra | Largo Dom Dinis
- Medellín | Plaza Botero
- Medellín | Plaza Botero
- Medellín | Wall painting at Universidad Nacional
- Machu Picchu with Huayna Picchu at sunrise
- Machu Picchu with Huayna Picchu
- Urubamba Valley | Luxury train Hiram Bingham
- Catac | Mining dump
- Berlin | Humboldt-Universität
- København | Købmagergade with Rundetårn
- Óshyrna | Fracture
- Óshyrna | Fracture
- Veneziaspitze with Hohenferner and glacial lake
- Montserrat Volcano Observatory
- Reykjavik | Harpa
- Salineras de Maras
- Salineras de Maras
- Salineras de Maras
- Quebrada Ishinca | School children
- Brașov | Piața Sfatului
- Brașov | Piața Sfatului
- București | Vlad Țepeș
- Quebrada de Las Conchas | Gully erosion
- Catamarca | Succulent tree
- Delhi | Young students at Lotus Temple
- Delhi | Young students at Lotus Temple
- Darjeeling with Municipality Building
- Darjeeling | Town centre
- New Delhi | Young students at India Gate Lawns
- Urubamba Valley | Descent from Montaña Machu Picchu
- Machu Picchu | Huaca Puncu
- Machu Picchu | Grupo de la Portada
- Machu Picchu with Huayna Picchu
- Machu Picchu | Upper town with terraces
- Cusco | Jardín Sagrado de Coricancha
- Coimbra | University courtyard with Rio Mondego
- Coimbra | University courtyard
- Stuttgart | Königstraße and Schlossplatz
- Volcán Osorno with lahar channel
- Volcán Villarrica | Tephra layers
- Valle Mendoza | Former railway bridge near Guido
- Salinas Grandes
- Santiago de Chile | Casa Colorada
- Obergurgl | Environmental education
- Paris | Cité des Sciences et de l'Industrie
- Collazzone area | Landslide
- Lesser Himalaya | Debris flow deposit
- Sydney | Students in school uniforms
- Roma | Colosseo
- Dushanbe | University students
- Dushanbe | University
- Dushanbe | Pupils
- İstanbul | Hagia Sophia
- İstanbul | Hagia Sophia at night
- İstanbul | Hagia Sophia
- Surkhob Valley | School children
- Ghudara | School children
- Dekhavz | Meteorological station
- Oxford | Bridge of Sighs
- Oslo | University of Oslo
- Western Uganda | School with teacher
- Western Uganda | School with classroom
- Langa | At school
- Langa | At school
- Sinharaja Forest Reserve | Scientist
- Peradeniya Royal Botanical Gardens with weeping fig
- Peradeniya Royal Botanical Gardens | Kauri
- Peradeniya Royal Botanical Gardens
- Kaikawala | Religious education
- Kaikawala | Religious education
- Kaikawala | Religious education
- Bodie | Green Street
- Berkeley University | Entrance gate
- Las Cañadas with Echium wildpretii and Pico del Teide
- Tarfala Valley | Storglaciären with Kebnekaise
- Tarfala Research Station | Lake ice
- Tarfala Valley | Snow pit