Puerto Rico in 4 days

Among all islands in the Caribbean, Puerto Rico (“Rich Port”) is among the few to have historical and geographical places of interest, alongside the beaches. It is a U.S. territory. Flights from the mainland United States are treated as domestic flights. It has tropical weather, so, a visit in the latter part of the year is recommended. Public transport is poor outside of the main city of San Juan, so, if you want to explore the island, a rental car is highly recommended....