Exterior and Treehouse Building Type The Sustainability tree house is home base for the National Scout Jamboree, a weeklong event that's usually held every four years. The 2013 event was the first held at the new location in the Summit Bechtel Reserve. Seattle-based firm Mithun led the multidisciplinary team that worked on the project. BNIM is the architect of record, Nelson Byrd Woltz masterminded the landscaping, the structural engineering is by by Tipping Mar, and the exhibit design is by Volume, Inc. and Studio Terpeluk.  Photo 2 of 10 in Sustainability Treehouse by Diana Budds

Sustainability Treehouse

2 of 10

The Sustainability tree house is home base for the National Scout Jamboree, a weeklong event that's usually held every four years. The 2013 event was the first held at the new location in the Summit Bechtel Reserve. Seattle-based firm Mithun led the multidisciplinary team that worked on the project. BNIM is the architect of record, Nelson Byrd Woltz masterminded the landscaping, the structural engineering is by by Tipping Mar, and the exhibit design is by Volume, Inc. and Studio Terpeluk.