National Historic Chemical Landmarks

Chemistry came of age as a science in the late 1700s–the same time America came of age as a nation. Over the next two centuries, chemists played key roles in expanding the frontiers of knowledge, advancing medicine and industry, and creating products from penicillin to plastics. This site tells their stories.

Interactive Features

Find a Landmark: Browse the Landmarks Directory

Learn more: About the Landmarks Program

Take action: Nominate a Landmark and Contact the NHCL Coordinator