• KAIZUKA via Flickr
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    Enoshima Lighthouse, Japan

    One of the world's most striking lighthouses, Enoshima Lighthouse rises above tiny Yenoshima Island a few hours south of Tokyo. Renovated in 2003, the lighthouse features a massive open-air spiral staircase winding around a central steel structure and ultimately leading to a 196-foot-high observation deck.

    From the deck, visitors can take in views of Sagami Bay and Mount Fuji in the distance. Don't have the stamina to climb the staircase? An elevator also shuttles visitors to the deck.