Day Trip Suggestions:

San Diego SEAL tours (sea and land adventures), www.sealtours.com, 866-955-1677
Your 90-minute, fully narrated SEAL Tour departs from Seaport Village (1 mile from Holiday Inn) or the Embarcadero.
Wind your way through picturesque San Diego streets before splashing down for a cruise through the waters of the San Diego Harbor.
Experience the history and ecological wonders of San Diego in the comfort and security of our virtually unsinkable Hydra-Terras.
Here you will learn first-hand of our rich military history and cruise through the waters that are the playground of the California Sea Lion.

Liberty Public Market, 2820 Historic Decatur Road, http://libertypublicmarket.com/
Bustling market in an old Navy building with hip eateries, bar and specialty food, and craft vendors. It is located on the site of the former San Diego Naval Training Center.
Approximately 5 minutes from the Holiday Inn.)

San Diego Trolley Sight Seeing Tour. https://www.sandiego.org, (866-754-0966)
Recommended as the best way to see San Diego. For more information check out the website

Star of India, https://sdmaritime.org/visit/the-ships/star-of-india, 619-234-9153
The world's oldest active sailing ship. She began her life on the stocks at Ramsey Shipyard in the Isle of Man in 1863.
Iron ships were experiments of sorts then, with most vessels still being built of wood. Within five months of laying her keel, the ship was launched into her element.
She bore the name Euterpe, after the Greek muse of music and poetry. (Approximately 1 mile from the Holiday Inn.

Balboa Park, https://www.balboapark.org/)
Where culture and nature meet. Lush grounds, from gardens to forests, fountains to playgrounds, and sweeping architecture from Spanish Colonial Revival to mid-century Modern
span the heart of the Park. More than 17 museums filled with everything from dinosaurs to space travel, science to the study of humankind, photographs to old masters, and automobiles to orchids.