With all the creepy stuff on display at the Denver Museum of Nature & Science, including mummies, Quest for Immortalitywas guaranteed to bring in the crowds. And it did. Tens of thousands marched through the blockbuster collection of ancient Egyptian tomb art during its several-month-long run. The show, sponsored by the National Gallery of Art in Washington, D.C., was filled with magnificent objects that were to die for. The ancient Egyptians created these articles as part of an elaborate scheme to attain eternal life. It looks like it worked, because thousands of years later, their artifacts made up one of the best shows in Denver.