500px provided description: UNESCO World Heritage Site. In 2007, Chichen Itza's El Castillo was named one of the New Seven Wonders. [#landscape ,#mexico ,#cancun ,#travel ,#freedom ,#vacation ,#outdoo
The engineering at Chichen Itza is staggering — during the spring and fall equinoxes, shadows fall precisely to create the illusion of a serpent descending the staircase. It's a detail that lands very differently when you're standing in front of it. © Dronepicr, CC BY 3.0, via Wikimedia Commons

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