"The map is not the terrain."
"All maps lie!"
"Stream water usually flows downhill."
Find out about tricky issues and the future of maps:
TERRA INFIRMA
3D rendering of Cheyenne Mtn. & Canyons, view to the West. Subset of larger image included with Colorado Springs & Pikes Peak map. Based on USGS digital elevation information with sunlight cast from the northwest.