#limestone cliff

The Montezuma Castle National Monument was declared a U.S. National Monument on December 8, 1906 as a result of the American Antiquities Act, signed earlier that year.  

Kotor - Montenegro 

Malham Cove

The Montezuma Castle National Monument was declared a U.S. National Monument on December 8, 1906 as a result of the American Antiquities Act, signed earlier that year.  

The Montezuma Castle National Monument was declared a U.S. National Monument on December 8, 1906 as a result of the American Antiquities Act, signed earlier that year.

The Montezuma Castle National Monument was declared a U.S. National Monument on December 8, 1906 as a result of the American Antiquities Act, signed earlier that year.

The Montezuma Castle National Monument was declared a U.S. National Monument on December 8, 1906 as a result of the American Antiquities Act, signed earlier that year.

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