Pigeon Island National Landmark is a historic site located in Saint Lucia. It features two small islands connected by a causeway and is known for its rich biodiversity and stunning views. The landmark is home to various species of birds, making it a popular spot for birdwatching and nature enthusiasts. The site also has significant historical importance, as it was used as a military base during the Napoleonic Wars. Visitors can explore the ruins of old fortifications and enjoy hiking trails that lead to scenic overlooks, providing a glimpse into the island's past and natural beauty.