As part of The Walt Disney Company and National Geographic's “Step into Wonder” Earth Month campaign, National Geographic launches the third annual Earth Month Sweepstakes, giving fans the opportunity to win a once-in-a-lifetime prize trip with National Geographic-Lindblad Expeditions to experience either Alaska’s glaciers or Galápagos’ wildlife. Enter daily at https://www.natgeo.com/earthmonthsweeps for your chance to win the trip of a lifetime from April 13-30, 2026.* *NO PURCHASE NECESSARY.