During this 17-day cruise aboard Sylvia Earle, soak in coastal hot springs serenaded by thundering waterfalls. Zodiac cruise along black-sand beaches, where Kamchatka brown bears and cubs forage, and share swift rivers with Steller’s sea eagles diving on salmon. Visit the Commander Islands …

Be touched by genuinely warm welcomes as we experience cultural traditions and performance shaped by the rich cultural history of Melanesian and Micronesian customs. Amidst striking natural landscapes and seascapes boasting vibrant marine biodiversity, learn about centuries-old navigational …

View Geographic Harbor, situated in the heart of the stunning Katmai National Park and Reserve. There is a strong chance you’ll be able to observe grizzlies, as they reign supreme here. Later sail along the Alaska Peninsula, an emerged part of the Pacific Ring of Fire. Here, each island is a …