Nature lovers looking to explore Alaska by sea in 2022 can be guaranteed 2021 rates with Lindblad Expeditions when you book by January 31, 2021. Their 5- to 21-night itineraries range from compact and highly active to in-depth adventures that roam further afield to the heart of Alaska’s epic wilderness.  Lindblad has several unique ways to enhance your experience such as hydrophones to listen in on the whales, a video microscope to understand more about sea life, an onboard undersea specialist who captures the amazing marine life, a photography instructor, and more. Their exclusive family program, National Geographic Global Explorers, gives your children the opportunity to learn from certified field educators; plenty of wildlife and nature interaction, and the chance to create amazing storytelling projects through writing, video, photography, and more.