This One-of-a-Kind Medieval-Style Castle on Massachusetts’ North Shore is Brimming with Fascinating Artifacts

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This One-of-a-Kind Medieval-Style Castle on Massachusetts' North Shore is Brimming with Fascinating Artifacts

Massachusetts has many coastal gems among its northern towns and cities, and Gloucester is known for beautiful beaches, whale watching, and being America’s oldest seaport. What most people don’t know is that it’s also home to one of the most unique and fascinating pieces of property open to the public just north of Boston — the Hammond Castle Museum. 



Once the private residence of John Hays Hammond Jr., who built the castle from 1926 to 1929 with the intent of housing his extensive collection of historical artifacts, the museum is now committed to being a Science, Technology, Engineering, Art, and Mathematics (STEAM) organization. With a mission of highlighting the importance of these subjects in education, the private non-profit aims to foster the same curiosity in its visitors that shaped Hammond’s contributions to the areas of radio control, technology, and innovation.

Visitors can make the hour-long drive from Boston, which is home to America’s oldest public park, to witness this spectacle. Situated right on the sea, this medieval-style castle will transport visitors to another place and time (yes, it even has a drawbridge). Keenly aware of the privilege his family wealth provided, it was Hammond’s intent to evoke the feeling of being in Europe within the castle walls, thereby transporting visitors who may not have the means to leave the country to a new and exciting destination in Massachusetts. Hammond’s vision lives on today for all guests of the castle. With guided and self-guided touring options, as well as a host of exhibitions and seasonal events, there’s no shortage of things to see during your visit.



Hammond Castle’s creator invented special hidden features throughout the property

To understand all that Hammond Castle Museum has to offer, you must first consider the vision of its creator, John Hays Hammond Jr. It was always the eccentric inventor’s intention for the property to become a museum that would be open to the public. He wished for the castle to become his lasting legacy, as he feared the world at large would not remember him for his inventions due to the nature and speed of technological advancement.

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The museum staff are well educated in Hammond’s achievements and passionate about sharing them with visitors. Hammond Castle’s executive director, Linda Harvey, explains in an interview with WBZ News, “He has over 510 patents… He worked on things like robotics and guided missiles. He’s known as the Father of Radio Control.” In fact, Hammond’s interest in all things electronic inspired some very unique castle features. The interior courtyard of the castle, equipped with salvaged pieces from French marketplaces and an impressive 30,000-gallon indoor pool, is an undeniable favorite for visitors of the property and hides a very special secret. Through an advanced indoor weather control system, Hammond could actually make it rain, as well as mimic fog, sunrise, sunset, and moonlight.



Today, guests of Hammond Castle have many opportunities to learn more about the inventor himself, including touring a library equipped with special acoustics that make it possible to hear conversations all over the room, a war room, and even the inventor’s laboratory.

What will you find in Hammond Castle?

Dave Pennells

By Dave Pennells

Dave Pennells, MS, has contributed his expertise as a career consultant and training specialist across various fields for over 15 years. At City University of Seattle, he offers personal career counseling and conducts workshops focused on practical job search techniques, resume creation, and interview skills. With a Master of Science in Counseling, Pennells specializes in career consulting, conducting career assessments, guiding career transitions, and providing outplacement services. Her professional experience spans multiple sectors, including banking, retail, airlines, non-profit organizations, and the aerospace industry. Additionally, since 2001, he has been actively involved with the Career Development Association of Australia.