World
Geography
Countries, borders, mountains, rivers and time zones, and the measurements that show how the map of the world fits together.
Fact files
All topics ›Russia
about 17.1 million km²
Area; sources give 17.08 to 17.13 million
The prime meridian
1884
Year the Greenwich line was chosen as zero longitude
Chimborazo
6,263 metres
Height above sea level (Ecuador's Geophysical Institute)
The Aral Sea
4th
Rank among the world's lakes before the shrinking
The Amazon River
212,000 m³/s
Average discharge, Natural Resources Canada figure
Magnetic north
1831
Year James Clark Ross first located the pole
