The C&O Canal National Historical Park is beloved by millions for its natural beauty and rich recreational opportunities, but it is also one of the most biologically diverse national parks in the nation.The Park is home to over 200 rare, threatened, or endangered plants, some globally rare and unique. We’re featuring some of those plants on our Preserve Nature t-shirt to honor our preservation efforts. Let’s continue to protect these plants for future generations.The C&O Canal is an essential part of Maryland history! Celebrate the beautiful nature throughout the park with our Preserve Nature spring tee. How many of these plants have you spotted on the trail before?

A portion of the sales supports the preservation of the C&O Canal through the C&O Canal Trust.