This photo taken Oct 2, 2009 shows a mummified corpse in the Capuchins' Catacombs located in Palermo, Sicily, southern Italy. (AP)

Infant Marquito, one of thirty-six mummies from Guanajuato, Mexico's Museo de las Momias (Museum of the Mummies) is displayed at the Detroit Science Center in Detroit on Thursday, Oct 8, 2009. It's the first of seven US stops through 2012 for a traveling exhibit from what's believed to be the largest mummy collection in the Western Hemisphere. (AP)

One of thirty-six mummies from Guanajuato, Mexico's Museo de las Momias (Museum of the Mummies) is displayed at the Detroit Science Center in Detroit on Thursday, Oct 8, 2009. It's the first of seven US stops through 2012 for a traveling exhibit from what's believed to be the largest mummy collection in the Western Hemisphere. (AP)

This photo taken Oct 2, 2009 shows a view of mummified corpses in the Capuchins' Catacombs located in Palermo, Sicily, southern Italy. (AP)

Lolita, one of thirty-six mummies from Guanajuato, Mexico's Museo de las Momias (Museum of the Mummies) is displayed at the Detroit Science Center in Detroit on Thursday, Oct 8, 2009. It's the first of seven US stops through 2012 for a traveling exhibit from what's believed to be the largest mummy collection in the Western Hemisphere. (AP)

Agrado, one of thirty-six mummies from Guanajuato, Mexico's Museo de las Momias (Museum of the Mummies) is displayed at the Detroit Science Center in Detroit on Thursday, Oct 8, 2009. It's the first of seven US stops through 2012 for a traveling exhibit from what's believed to be the largest mummy collection in the Western Hemisphere. (AP)

This photo taken Oct 2, 2009 shows a view of mummified corpses next to a sign saying 'friars' in the Capuchins' Catacombs located in Palermo, Sicily, southern Italy. (AP)

One of thirty-six mummies from Guanajuato, Mexico's Museo de las Momias (Museum of the Mummies) is displayed in a lab setting at the Detroit Science Center in Detroit on Thursday, Oct 8, 2009. It's the first of seven US stops through 2012 for a traveling exhibit from what's believed to be the largest mummy collection in the Western Hemisphere. (AP)

A worker, right, finishes a display of a cemetery at the Detroit Science Center in Detroit on Thursday, Oct 8, 2009. Thirty-six mummies on loan from Guanajuato's Museo de las Momias (Museum of the Mummies) go on display to the public Saturday as part of the Accidental Mummies of Guanajuato traveling exhibit. It's the first of seven US stops through 2012. (AP)

A crypt display is seen at the Detroit Science Center in Detroit on Thursday, Oct 8, 2009. Thirty-six mummies on loan from Guanajuato's Museo de las Momias (Museum of the Mummies) go on display to the public Saturday as part of the Accidental Mummies of Guanajuato traveling exhibit. It's the first of seven US stops through 2012. (AP)