Cancun underwater museum of artr r the cancun underwater museum is the most famous underwater sculpture museum in the world with over 470 life sized statues erected deep on the sea bedr r this incredible place is not just an unusual work of art itandrsquos also an eco project devoted to conservation of the arear r how does it workr r the underwater museum began as an idea to create an artificial reef featuring sculptures made from marine concrete their purpose was to conserve the existing