A few examples of what you can ask Wolfram|Alpha about:
generate maps of a specified country
generate a world map colored according to a given statistic
draw a map using a specified projection
locate a point on Earth using latitude-longitude coordinates
compute the great-circle distance between points on the globe
find the coordinates of a city
find the elevation of a city
get elevation data near specified coordinates
find minimum/maximum elevations for a country
locate a ZIP code
locate an airport and get information about it
look up your IP address and estimate your location