• Montezuma Castle's prehistoric dwelling

    Montezuma Castle

    National Monument Arizona

Montezuma Well - NPS Dive Images

Did You Know?

Montezuma Well

No fish? Due to concentrations of dissolved carbon dioxide nearly 600 times higher than other natural aquatic environments, Montezuma Well contains no fish. Instead, the collapsed limestone sinkhole has a unique aquatic habitat that is home to organisms found nowhere else in the world.