Land Features
get information about a mountain
compare several mountains
do computations with mountain properties
get information about a volcano
compare volcanoes
Beaches
get information about a beach
look up a property of a beach
find beaches near a city
get information about an island
get information about a group of islands
do computations with island properties
get information about a glacier
find glaciers meeting a given criteria
get information about a desert
do computations using desert properties
get information about an impact crater on Earth
do computations with crater properties
Caves
get information about a cave
search for caves in a given country
do computations with cave properties
Forests
get information about a forest
compare forests
find forests meeting a given criteria