KC Zoo-Helzberg Penguin Plaza The newest exhibit to be built at the KC Zoo, Helzberg Penguin Plaza will open to the general public on October 25. The exhibit features a 100,000 gallon indoor "cold-water" exhibit with king, Gentoo and rockhoppers as well as a 40,000 gallon indoor/outdoor temperate exhibit for Humboldt penguins. The moon jelly tank is 1300 gal. The reef tank is approx. 3200 gal. There is 70 linear feet of view in the warm exhibit and 114 linear feet of viewing in the cold exhibit. The sub-Antarctic exhibit is 2853 sf. and the Humboldt exhibit is 1852 sf. Helzberg Penguin Plaza will open with around 50 birds in total, capacity is over 100 birds. You can see pictures on their Facebook page.