GREAT SAND DUNES NATIONAL PARK and PRESERVE — On Saturday, Sept. 14, kick off Hispanic Heritage Month by learning about and celebrating the San Luis Valley's Hispanic heritage. All events are free, but regular park entrance fees are in effect. 

At the park visitor center: 

• 4 p.m. - Trujillo Homesteads Lecture
  Learn about the Trujillo family homestead and the volatile history of early ranching in the San Luis Valley. Presented by Trujillo family descendants.
• 5 p.m. - Los Vecinos Bailadores
  This dance group from the San Luis Valley performs traditional Spanish dances and then asks the audience to join them for a closing dance.
• 6 p.m. - Las Semillas de La Tierra
  This local folklorico dance group performs a variety of traditional dances in full costumes from various regions of Mexico.
• 7 p.m. - Borderline
  Borderline is a family band with father-son members Travis, Brandon, and Ryan Gonzales. Travis taught his sons to play bass and drums when they were 13 and 11 years old, and they have since played at local venues and for local festivals around the southern portion of the San Luis Valley. Borderline plays Spanish music from southern Colorado and northern New Mexico, as well as country, rock, and oldies.

At the campground amphitheater: 

• 8:30 p.m. - Evening Ranger Program
  After dark, stay for a ranger-led presentation on unique aspects of the night sky and nocturnal animals. 30-minute presentation with images and video clips on the large screen, followed by a constellation tour using a laser pointer.