Documentary filmmaker Rik van Glintenkamp explores the mysteries of the Arctic and Antarctic in Echoes in the Ice. The exhibit takes viewers through 500 years of polar history, with revealing looks at the brave (and sometimes bizarre) explorers who risked everything to reach the ends of the earth. 9 a.m. to 5 p.m. today. Hours vary. Through January 18. Houston Museum of Natural Science, One Hermann Circle Drive, in Hermann Park. For information, call 713-639-4629 or visit www.hmns.org. $7 to $10 (includes admission to permanent exhibits).
Sept. 6-Jan. 18, 2008