A spate of current exhibitions revives cultures past.

CLEVELAND: The MUSEUM OF ART reprises ancient Greece via 82 terra-cotta altars, stone sculptures, and painted vases in “Magna Graecia: Greek Art From South Italy and Sicily,” on view through January 5. (888) 262-0033,

BOSTON: At the MUSEUM OF SCIENCE through March 30, a reconstructed burial chamber, plus jewelry, masks, and statues, explores “The Quest for Immortality: Treasures of Ancient Egypt.” (617) 723-2500,

NEW YORK: Through February 16, “The Legacy of Genghis Khan” plumbs the house of the legendary Mongol ruler, including 200 works in ceramic, stone, and textile, on display at THE METROPOLITAN MUSEUM OF ART. (212) 535-7710,