Puerto Plata (or officially known as San Felipe de Puerto Plata) is the ninth largest city in the Dominican Republic and the capital of the province of Puerto Plata. For spectacular city views, take a ride up the Pico Isabel de Torres mountain which stands over 2,600 feet high. History buff? Visit Fortaleza San Felipe, which was built in the 16th century and served as a prison under the dictatorship of Rafael Trujillo. Or head to the Amber Museum, a museum filled with a unique collection of valuable Dominican amber which is semiprecious tree sap that has hardened for millions of years capturing many fossils of plant and insect life.