THE MOST MUST-SEES OF ALL TIMES The Earth’s past, present, and future await at the Field Museum. The health of our guests and staff is always our priority and we invite you to safely explore nearly half a million square feet of open gallery space. See SUE the world’s most famous T. rex , travel back in time as you explore Ancient Egypt, and stroll through our Hall of Gems. Experience 4.6 billion years of life on Earth, right here in Chicago. SUE the T. rex is part of the Griffin Dinosaur Experience, made possible by the generous support of the Kenneth C. Griffin Charitable Fund.