March 27, 2013

San Alfonso del Mar, Chile

Photograph by Eliseo Fernandez, Reuters

The San Alfonso del Mar resort in Algarrobo, Chile, is home to the largest swimming pool in the world. Stretching 3,323 feet and covering 20 acres, the pool is a saltwater lagoon, navigable by small boats.

Best Trips 2013: Travel to the Seaside City of Valparaíso >>

Travel 365. Explore the world, one incredible image at a time.

Take a Nat Geo Trip

Select a destination or trip type to find a trip:

See All Trips »

Join Nat Geo Travel's Communities

2015 Traveler Photo Contest

  • Picture of humpback whale in Tonga

    See All Entries

    Explore the submissions, share your favorites, and check back for the winning images.