Terceira Island is an island in the Azores, in the middle of the North Atlantic Ocean. Terceira Island consists of four overlapping stratovolcanoes built above a geologic rift called the Terceira Rift. The oldest at over 300,000 years is the Cinquo Picos stratovolcanoes that forms the eastern part of the island, with a 7 km (4 mi) diameter caldera which is one of the largest in the Azores.
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Angra’s historical center has been classified Public Interest, and is included in the UNESCO’s list of World Patrimony since 1986. Angra has one of the best public libraries and archives in the country which also retains some important private art collections.
An annual event held daily from 1 May to 30 September is the tourada a corda (bullfight with ropes). It consists of letting a bull, tied to a rope, loose in the streets with some controlling the rope and some challenging the bull. Touradas may be held up to three times a day.