were important in the construction and maintenance of motor launches and whaling boats, reaching its importance around 1946, when it was the most influential supply centre for the whaling industry on Faial. The original founders were Francisco Marcelino dos Reis, Joaquim Martins Amaral Júnior and Tomas Alberto Azevedo, who much later became associated with Costa & Martins, Lda. (another important supplier), and worked closely in partnership with the whaling company Companhia Baleeira Faialense, Lda, then the largest whaling company on the island. It was completely purchased by the Lisboete Francisco Marcelino dos Reis in 1940, where for the next 40 years it prospered as the Centro Nevrálgico da Baleação no Faial, then declining in importance with the fall of whaling in the region, and closing completely in 1981 (even as the last whale was hunted in 1987). The site fell into decay, housing several whaling boats, historical implements, construction materials and artifacts, before being analyzed by the Sea Observatory of the Azores (). Military 16th Century Bombardment Emplacements/Fortifications of Porto Pim (), in phase of classifications this coastal emplacements were part of an elaborate defensive network that followed the coastal edge, and elaborated in the 16th century; Bartizan of Porto Pim (), part of the coastal defenses that ring the sheltered cove of Porto Pim constructed in the 15th century; Coastal Artillery Bunker () Fort of Greta (; alternatively known as the Castle of Greta, Fort of Greta or Fort of Our Lady of the Guide) the remains of this medieval fortification are located on the edge of the cinder cone of Monte da Guia, facing the Faial-Pico Channel; Fort of Santa Cruz (), a 16th-century fortification located along Rua Vasco da Gama/Estrada Regional E.R.1-1a, in the historic centre of the city, on the edge of Horta Bay. It was constructed as part of coastal defenses to defend the entrance to the harbour and southern access to the Bay from pirate and privateer attacks, along with its sister forts (Fort of Bom Jesus and Fort of Nossa Senhora da Guia). Its utility was called into question with successive defeats and did little more than garrison troops that saw little action after the Liberal Wars. In 1969, the derelict building (in the possession of the municipal authorities at the time) was re-purposed by the Direcção-Geral dos Edifícios e Monumentos Nacionais (DGEMN) (General-Directorate for Buildings and National Monuments), and officially re-opened by