Upper Marlboro - Merkle Wildlife Sanctuary and Visitor's Center

Merkle Wildlife Sanctuary is the wintering ground for several thousand Canada geese who arrive in mid-October and stay until late February or early March.. The sanctuary was named after Edgar Merkle, an active conservationist who devoted much of his life to protecting and providing for wildlife. Birdwatching, hiking, biking and fishing are available at various times of the year.