Brimstone Hill Fortress National Park
Brimstone Hill Fortress National Park is a UNESCO World Heritage Site , a well-preserved fortress on a hill on the island of St . Kitts in the Federation of St . Christopher ( St . Kitts ) and Nevis in the Eastern Caribbean . 
<triplet> Brimstone Hill Fortress National Park <subj> UNESCO World Heritage Site <obj> part of <triplet> St. Kitts <subj> St. Christopher (St. Kitts) and Nevis <obj> country