Together with nearby Caballo Island, Corregidor actually forms part of a volcanic crater called the Corregidor Caldera. But you don’t need to worry about volcanic eruptions any time soon. The crater was last active around a million years ago.

“The Rock” was the largest of a group of four islands designated to defend Manila Bay during World War II. Japanese, American and Filipino troops all fought in Corregidor. In May of 1942, the Allied forces surrendered Corregidor to the Japanese Imperial Army. But General Douglas MacArthur recaptured the island less than three years later, in March of 1945. The Allied forces then used it as their headquarters. And President Manuel Quezon used it as his seat of government.

The island is now a historical monument. Among its attractions are the Pacific War Memorial with its dome ceiling and marble altar, the 830-foot-long Malinta Tunnel, and the Filipino Heroes Memorial. There are also murals that depict different battle scenes in Philippine history.

But there’s more to Corregidor than just the past. The island also has forest trails, a jungle survival camp, bird watching opportunities, scenic boat rides, and even a beach. End your Corregidor trip in a relaxing way.