International Rock Day Jul 13, 2026

International Rock Day

International Rock Day, observed on 13 July, celebrates the geological building blocks beneath our feet and the stories they preserve. From ancient tools to towering mountains, rocks reveal clues about shifting continents, changing climates and the evolution of life over millions of years. Few places showcase nature"s artistry as vividly as Antelope Canyon on Navajo Nation land in Arizona, seen in today"s image. Formed as flash floods gradually eroded Navajo Sandstone over thousands of years, the canyon"s graceful, curving walls showcase the slow but relentless force of nature.

© Mark Skalny/Getty Images

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Today in History

Walking a rocky rainbow
Rocks rock!
Jul. 13, 2024International Rock Day
Jul. 13, 2025International Rock Day

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