10 Pillbox Hikes In Oahu With Great Views

During World War II, the U.S. military built concrete bunkers all over the island of Oahu as defensive lookout posts guarding Hawaii, and most of them have… The post 10 Pillbox Hikes In Oahu With Great Views appeared first on The World Travel Guy.

During World War II, the U.S. military built concrete bunkers all over the island of Oahu as defensive lookout posts guarding Hawaii, and most of them have…

The post 10 Pillbox Hikes In Oahu With Great Views appeared first on The World Travel Guy.

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