This expansion to Puerto Rico adds forests and the following new buildings to the game: Aqueduct, Forest House, Black Market, Storehouse, Guesthouse, Church, Trading Post, Small Wharf, Lighthouse, Library, Speciality Factory, Union Hall, Cloister, and Statue.
This expansion had a limited released separately, but was mostly found in the Treasure Chest and Puerto Rico (earlier known as Puerto Rico Anniversary Edition).