Earth & Space

Related reading

• How do you read a landscape from a flat map?

  On an old map of Crater Lake, a line can take you up a mountain and a number can drop you through the water. Start with one finger on the shore.

• Is that brown loop a hill or a hole?

  Two brown lines curl back on themselves on a map of Park City, Kentucky. Set a foot inside each one. Which way would the ground go?