Some airports are more challenging. Here are a few in the U.S.
Reagan National Airport, Washington, DC
Overlapping no-fly zones
LaGuardia Airport, New York
Crowded skies
San Diego International Airport, California
Downtown location and tailwinds
Telluride Regional Airport, Colorado
Higher than any other airport and Touch-and-go landings forbidden
Midway International Airport, Chicago
Short runways and easy to overshoot