Topographical map of Burma.

Photo credit: Captain Blood

Topographical map of Burundi.

Photo credit: Sadalmelik

Map of the Tonle Sap Lake and its floodplain in Cambodia.

Photo credit: Matti Kummu

Volcanic plugs dot the landscape near Rhumsiki, Far North Region in Cameroon.

Photo credit: Amcaja

Geological map of Canada. The Canadian Shield, stretching North from the Great Lakes to the Arctic Ocean and covering over half of Canada, is a broad region of Precambrian rock (pictured in shades of red) that encircles Hudson Bay.

Photo credit: USGS

Topographic map of Cape Verde.

Photo credit: Mysid

Ubangi River, a major tributary of the Congo River, at the outskirts of Bangui, capital of Central African Republic.

Photo credit: Pete Chirico, USGS

A composite of images showing the diminishing Lake Chad from 1973 to 2001.

Photo credit: NASA

Satellite image of the Atacama Desert, located in northern Chile it covers a 600-mile (1,000 km) strip of land on the Pacific coast of South America, west of the Andes mountains. The Atacama desert is the driest desert in the world.

Photo credit: NASA

Longsheng Rice Terrace in Longsheng county, Guilin, China.

Photo credit: Anna Frodesiak

Topographic map of Colombia.

Photo credit: Sadalmelik

Street in the Grande Comore Island, Comoros.

Photo credit: Souef el marwane

Satellite picture of Brazzaville, Kinshasa and the Malebo Pool of the Congo River. The Democratic Republic of the Congo and the Republic of the Congo, both countries lying along the river's banks, are named after it.

Photo credit: NASA

Arenal Volcano erupting in November 2006. Arenal is an active andesitic stratovolcano in north-western Costa Rica around 90 km northwest of San José.

Photo credit: Matthew Landry

Topographic map of Côte d'Ivoire. In the center of the country on the Bandama River lies Lake Kossou, an artificial lake, created in 1973.

Photo credit: Sadalmelik

Topographic map of Croatia.

Photo credit: Captain Blood

La Boca fisherman's village near Trinidad, Cuba with Escambray Mountains at the back.

Photo credit: Wilder Mendez

Troodos Mountains with its highest peak Mount Olympus (1,952 metres) in Cyprus.

Photo credit: Paul167

Šance Dam in the Moravian-Silesian Beskids mountain range, Moravian-Silesian Region, Czech Republic.

Photo credit: Martin Kovář

Karlebo, Sjælland, Denmark. 60% of the land in Denmark is arable.

Photo credit: J. M. Rice

Topographic map of Djibouti. There is no arable land, irrigation, permanent crops, and negligible forest cover.

Photo credit: Sadalmelik

Pano-wide image of Roseau, the capital of Dominica.

Photo credit: Ted Rufus Ross

Beach on Saona Island, located a short distance from the mainland on the south-east tip of the Dominican Republic, near La Altagracia Province.

Photo credit: Tamas Iklodi

Map of East Timor indicating cities and principal roads.

Photo credit: Mats Halldin & CIA

Topographic map of Ecuador.

Photo credit: Sadalmelik

The Nile River and delta. The delta formed in Northern Egypt where the Nile River spreads out and drains into the Mediterranean Sea.

Photo credit: NASA

Two earthquakes hit El Salvador within exactly one month of each other, on January 13 and February 13, 2001. A landslide caused by the El Salvador quake.

Photo credit: United States Geological Survey

Map of Equatorial Guinea. The island of Annobón is not shown.

Photo credit: Demis.nl, Tonym88

Topographic map of Eritrea.

Photo credit: Sadalmelik

The largest of nine craters at Kaali, found on the island of Saaremaa, Estonia.

Photo credit: Siim Ainsaar

Dendi Caldera, Ethiopia is featured in this image photographed by an Expedition 16 crew member on the International Space Station. The Dendi Caldera is located on the Ethiopian Plateau, approximately 86 kilometers to the southwest of Addis Ababa. A caldera is a geological feature formed by the near-total eruption of magma from beneath a volcano, leading to collapse of the volcanic structure into the now-empty magma chamber.

Photo credit: NASA

Topography of Viti Levu island, Fiji. Fiji's largest island, Viti Levu, is home to 70% of the population (about 600,000).

Photo credit: NASA

Repovesi National Park in southeastern Finland.

Photo credit: M. Passinen

Map of Metropolitan French cities (agglomerations > 100,000 inhabitants on 1999 census).

Photo credit: David.Monniaux

Topographic map of Gabon.

Photo credit: Mysid

Peyto Lake in Banff National Park.

Photo credit: Tobias Alt

Alter Strom, a canal in Warnemünde, Germany

Photo credit: Alabama

Skyline of downtown Houston.

Photo credit: Jujutacular

Danau Sentarum National Park in Borneo.

Photo credit: Natureandpoverty.net

Tessellated pavement at Eaglehawk Neck, Tasmania .

Photo credit: Noodle snacks