The Vietnam Veterans Memorial is open 24 hours a day. The memorial is lit at night. Rangers and volunteers are available throughout the day and into the evening to assist visitors. The visitor contact station is between the Vietnam Veterans Memorial and Lincoln Memorial.
Maine ocean islands provide the only nesting sites for Atlantic puffins in the United States. Eastern Egg Rock in the midcoast region, Seal Island and Matinicus Rock at the mouth of Penobscot Bay, and Machias Seal Island and Petit Manan Island off the downeast coast provide habitat for more than 4,000 puffins each summer.