Cosmos 2025 South America Tours. Latin america tours operated by cosmos with 453 reviews (19 tours in total). Discover some of south america's greatest cities—rio de janeiro, buenos aires, and lima—and some of its most fascinating sites and spectacular scenery on this south america tour.

With an unrivalled selection of escorted tours across more than 60. Tour brazil, argentina, and peru, on this vacation in south america and experience stunning wonders.