Giant anacondas lurk in this Peruvian nature reserve, or so everyone says.

Curious and exotic places.
Feb. 17 2011 3:50 PM

On the Trail of a 40-Foot Anaconda

The fifth hidden wonder of South America.

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In addition to being the co-founder of the Atlas Obscura, Joshua Foer is the author of Moonwalking With Einstein: The Art and Science of Remembering Everything, which grew out of a story he wrote for Slate.