Led by the mysterious “Lady in the Red Cloak” with her lantern, you will see buildings that once seemed ordinary but will take on eerie new dimensions as she relives their history, and that of the ghosts that are said to still reside there. Wind through the back streets and learn the early history of Damariscotta, visit the site of countless seances, experience the haunted Maine Hotel, take a trip by the river to hear about the Mystery Ship, and more. The moderate walk, suitable for all ages, lasts approximately 90 minutes and is by reservation only; 207-380-3806, redcloakhauntedhistorytours.com. $15 for adults, $7 for children under 12, free for children under 5.

Join The Lady in the Red Cloak for a lantern lit walking tour of Boothbay Harbor. Discover the back streets and hidden stories of the area, its mysteries and haunts. See the “most haunted building in Maine,” hear many ghostly tales, including that of private Mr. Duffy and the welcoming ship captain, while you experience a one-of-a-kind evening in this quaint harbor town. The moderate walk, suitable for all ages, lasts approximately 90 minutes and is by reservation only. 207-380-3806, www.RedCloakHauntedHistoryTours.com. $15 for adults, $7 for children under 12, free for children under 5.

Join The Lady in the Red Cloak for a lantern lit walking tour of Wiscasset. Discover the back streets and hidden stories of Wiscasset, its’ mysteries and haunts. See the captains’ houses and the wonderful architecture, hear many ghostly tales, walk by the Ancient Burial Ground, learn of the shrouded lady, experience a one-of-a-kind evening in the “Prettiest Village in Maine.” The moderate walk, suitable for all ages, lasts approximately 90 minutes and is by reservation only. 207-380-3806, redcloakhauntedhistorytours.com. $15 for adults, $7 for children under 12, free for children under 5.

The tours are free but registration is requested at tinyurl.com/y8h2dbgs.

Tour guides will give an overview of our location on the Damariscotta River estuary before leading the group through the flowing seawater laboratories. Visitors will learn about current research focusing on shellfish aquaculture, lobster ecology, deep sea corals, and ocean warming. During the tour, scientists and students will gladly answer questions, talk about their research, and explain its significance to our community.

The 90-minute tours begin at 10:30 a.m. at the circle driveway on the DMC’s lower, waterfront campus.