Danish artist Thomas Dambo creates giant wooden trolls from recycled materials to promote environmental awareness.

Thomas Dambo (right) admires his newest troll, known as Mama Rosa, on May 27 a day before it's revealed to the public at Wauwatosa's Firefly Grove Park near 116th Street and Gilbert Avenue.

Her name is Mama Rosa, a 25-foot-tall troll overlooking the new playground. She is the first sculpture by artist Thomas Dambo in the state of Wisconsin.

Mama Rosa, the 25-foot, 4,000-pound troll built by Danish artist Thomas Dambo, now stands tall in the new Firefly Grove Park in Wauwatosa and it's a charmer. But it also comes with a message ...

Mama Rosa, the 25-foot, 4,000-pound troll built by Danish artist Thomas Dambo, now stands tall in the new Firefly Grove Park in Wauwatosa and it's a charmer. But it also comes with a message ...

Dambo’s enchanting troll universe spans 17 countries. At the Huntsville Botanical Garden, visitors will have the chance to meet Mama Zelda, a permanent resident and an 18-foot-tall seated troll.

The Huntsville Botanical Garden has opened its newest installation: a 20-ft-tall troll named "Mama Zelda" designed by Danish Artist Thomas Dambo and built by over 100 volunteers.

Thomas asks if I can get my camera out so he can talk to me about something that happened with the wood they’ve been using for Erik. Thomas Dambo Team Dambo’s trolls, like this one in Colorado ...

Atlanta Botanical Garden, recently opened the world premiere of recycling art activist Thomas Dambo's latest exhibit, “Trolls: Save the Humans.” ...

PORTLAND, Ore. (KOIN) — In just a few weeks, Portlanders will become “troll hunters” in search of one of Danish artist Thomas Dambo’s massive troll sculptures. Between Tuesday, Aug. 1 and ...

Art A Giant Troll Is Coming to Austin’s Pease Park (and the News Brought Out a Few, Uh, Trolls) “Texas has no cultural tradition of trolls,” wrote one.

Thomas Dambo, a world-renowned recycle artist, activist and troll builder added two of his creations to Rhode Island this year. Here's what it's like to watch Dambo and his team work.