Battery Catlin is a historic military site located in Sandy Hook, New Jersey, within the Gateway National Recreation Area. It was built in the late 19th century as a coastal defense battery to protect New York Harbor from enemy attacks. Today, it serves as an interesting point of interest for visitors to the national park.

There are several good reasons to visit Battery Catlin. First and foremost, it provides a unique glimpse into the history of military defense in the United States. Visitors can walk through the battery and see the cannons, ammunition bunkers, and other structures that were used to protect the harbor.

Another reason to visit Battery Catlin is the stunning views it offers of the surrounding area. From the battery, visitors can see the Atlantic Ocean, the New York City skyline, and the nearby Sandy Hook Lighthouse. The battery also offers a great vantage point for birdwatching, as the surrounding park is home to a variety of coastal birds.

One unique feature of Battery Catlin is the graffiti that covers many of its walls. While some may view this as vandalism, others see it as a testament to the site's history and its ongoing relevance to modern visitors. The graffiti includes messages of peace, love, and hope, as well as political statements and personal expressions.

Overall, Battery Catlin is a must-see destination for anyone visiting the Gateway National Recreation Area. Its rich history, stunning views, and unique atmosphere make it a point of interest that is not to be missed.