The area near the national monument entrance was used for gliding activities in 1929-1935. Several soaring endurance records were established here by William Hawley Bowlus and others including the first 1-hour flight in a sailplane, and a 15-hour flight in 1930 which surpassed the world record for soaring endurance. Even Charles Lindbergh soared in a Bowlus sailplane along the cliffs of Point Loma in 1930. Markers for these accomplishments can be found near the entrance, and the site is recognized as a National Soaring Landmark by the National Soaring Museum.