Portsmouth is a city rich with history. Visitors can take either a self-guided walking tour or a narrated trolley ride through the historic Old Towne, which features 18th and 19th-century houses. Other local attractions include the oldest operating naval hospital in the U.S. and various Civil War sites. For a memento of the trip to Portsmouth, visit High Street, which offers many different shops and boutiques. The Seawall is another prominent attraction in Portsmouth, and is an ideal spot to watch all manner of ships in the Portsmouth harbor.