WHAT’ S INSIDE
SOUTH & CENTRAL AMERICA
ANTARCTICA
WHAT’ S INSIDE
The O. A. T. Difference
From small groups to expert guides, discover what sets our adventures apart See page 6
Grand Circle Foundation
See how we change lives in the places we travel See page 12
Machu Picchu, Peru
SOUTH & CENTRAL AMERICA
Machu Picchu & the Galápagos................. 66
Peru: Machu Picchu & the Sacred Valley.................... 68
Chile & Argentina: The Andes to Patagonia......................... 70
ANTARCTICA
Antarctica’ s White Wilderness.... 74
Gentoo penguins, Antarctica
20 NEW Immersions adventures
Explore more of the world in shorter itineraries designed for active travelers See page 76
VIEW ALL OF OUR 2026 ADVENTURES ONLINE
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