Castillo de Seboruco Baracoa

Baracoa's highest fort was begun by the Spanish in 1739 and finished by the Americans in 1900. Barely recognizable as a fort these days, it serves as Hotel El Castillo. There's an excellent view of El Yunque's flat top over the shimmering swimming pool. A steep stairway at the southwest end of Calle Frank País climbs directly up.