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Florence, Oregon
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Spanning about 12 stories high and the length of a football field, Sea Lion Caves is the largest naturally formed sea cave in the U.S.
The Sea Lion Caves were formed around 25 million years ago, making them a fascinating geological wonder.
The caves are a natural habitat for the Steller sea lions, which are the largest of the eared seals.
Since 1932, the caves have been privately owned and operated as a wildlife preserve and bird sanctuary.
Visitors can explore the caves throughout the year, although the sea lions are most abundant in the winter months.
The caves were discovered by a local seaman named Captain William Cox in 1880.
The caves provide a habitat not only for sea lions but also for a variety of birds and marine life, including pigeon guillemots and cormorants.
The site is dedicated to the protection and conservation of marine wildlife, ensuring a safe haven for the sea lions and other species.