Did You Know: Alpena Lighthouse

The Alpena Lighthouse in Alpena, Mich., does not look like a typical lighthouse. The red tower, which marks the entrance to Thunder Bay River from Lake Huron, is thought to be the only lighthouse of its type in the U.S.

A beacon has been on the site since 1875; the current tower, which is 40 feet tall, was built in 1914 and was painted its distinctive shade of red in 1950. The current lighthouse originally had a fourth-order Fresnel lens, but that was removed in 1987 and replaced with a plastic light for easier maintenance.

To learn more about the lighthouse, check out alpenalighthouse.org or visitalpena.com.