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The Arthur Ross Terrace will be closed this morning, Tuesday, October 21, for a private cultural observance. You many observe smoke and/or fire coming from the Terrace at that time. The FDNY has been notified in advance, and all safety precautions are in place. The Terrace will reopen at 1 pm.

Members Only Programs

Hall Tour: Underground Secrets

Sunday, June 22, 2014

Giant Quartz Vein

What rocks, minerals, and more, are hidden underground beneath Los Angeles, the Great Plains, and Yellowstone? Join a Museum Guide on this hall tour including the Morgan Memorial Hall of Gems and the Guggenheim Hall of Minerals to discover why dinosaurs became extinct and the wonders buried in mines and caves.

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