A submarine once zipped underwater at nearly 40 miles per hour. Today it sits on dry land, and you’re allowed to climb right inside it.
This sub was never built to carry torpedoes into battle. It was a floating science lab, testing a teardrop hull shape that subs around the world still use today.
Its motto translates to “Forerunner of the Future,” which is a pretty bold thing to paint on a boat.
I like how hands-on the whole visit feels. You can peer through a working periscope and sit in the captain’s chair.
Former crew members even tell their own stories through recordings placed along the route.
I can’t imagine a cooler history lesson anywhere in New Hampshire. So how tight do you think those bunks really are?
The Teardrop Sub That Rewrote The Rulebook
Most old submarines look like long, skinny boats. The USS Albacore Museum, Portsmouth, shows off something very different, a rounded teardrop hull that changed submarine design forever.
The USS Albacore (AGSS-569) was built at the nearby Portsmouth Naval Shipyard. It launched on August 1, 1953, and worked as an experimental vessel until 1972.
Its job wasn’t fighting. Engineers used it to test new ideas, like control systems, propulsion setups, sonar equipment, and even dive brakes.
Think of it as a giant underwater test kitchen. Some recipes worked, some didn’t, and the winners ended up in subs built for decades afterward.
The American teardrop hull it pioneered is now standard on submarines worldwide. That’s a huge legacy for a boat with a crew small enough to fit in a school classroom or two.
Knowing this backstory makes the visit way more fun. You aren’t just touring an old boat.
You’re standing inside the prototype for nearly every modern submarine design out there.
So when you first spot that smooth, chubby hull, take a second. That odd shape was once a bold experiment, and it totally paid off.
Nearly 40 MPH Underwater Earned Some Serious Bragging Rights
Speed records usually belong to race cars and jets. In 1966, though, the Albacore grabbed a world record as the fastest submarine, hitting nearly 40 miles per hour underwater.
That number sounds modest on a highway. Underwater, where water pushes back hard against everything, it was jaw-dropping.
The teardrop shape is a big reason why. A smooth, rounded body slips through water with less drag, kind of like how a fish moves compared to a brick.
Engineers kept tinkering with the sub over the years. They tried different setups and gear to see what helped it move faster and handle better.
I love that this speedy record holder now sits perfectly still. It rests on a concrete cradle, where it settled on October 3, 1985.
Kids especially tend to get excited about this part of the story. A record-breaking machine they can actually touch feels a lot more real than one in a textbook.
Bring up the speed record before your visit. It gives everyone something to look for, like the hull shape and propulsion gear that made all that zooming possible.
Climb Through Hatches And Find Out How Tight Life Got
Hatches on a submarine aren’t regular doors. You step up and over a raised edge, ducking your head as you go, and suddenly you understand submarine life a lot better.
The self-guided tour takes you through the boat at your own pace. You’ll pass the control room, engineering spaces, bunk rooms, the captain’s quarters, and the mess hall.
The bunk rooms are the real eye-opener. Picture trying to sleep, store your stuff, and share space with dozens of shipmates in a room this snug.
Tall folks, consider this your friendly warning. Watch your head in the low spots, and take the hatches slowly.
The museum notes that anyone who can’t lift their feet over 18 inches may find boarding tough. People using wheelchairs or walking devices may also have trouble getting through.
If small spaces make you nervous, go in knowing what to expect. You can move along at whatever speed feels comfortable.
For everyone else, the squeeze is half the fun. Each hatch you clear feels like a tiny victory, and the passageways tell a story no photo ever could.
Grab The Periscope And Claim The Captain’s Chair
Plenty of museums keep their best stuff behind glass. Here, you get to put your eyes right up to a working periscope.
That alone makes the trip worth it for many families. Spinning a periscope and scanning the view feels like a scene straight out of a movie.
Then there’s the captain’s chair. You can actually sit in it, which is about as close to commanding a submarine as most of us will ever get.
The control room is packed with gauges, dials, and equipment. It really shows how much the crew had to watch at once while the boat moved underwater.
Here’s a fun tip. Take turns playing captain and crew with your group, calling out orders as you look around.
Younger kids will probably want to stay in this spot the longest. Plan a little extra time so nobody gets rushed away from the periscope.
Bring your camera, too. A photo of someone grinning from the captain’s seat makes a much better souvenir than a fridge magnet, though the gift shop has those as well.
Real Sailors Tell The Stories Along The Way
Former crew members do the talking on this tour. Recordings placed throughout the boat share personal stories from their time aboard the Albacore.
That changes everything. Instead of reading a dry sign, you hear the people who actually ate, slept, and worked in these exact spaces.
The recordings explain what each area did and how life worked down there. They also add a human touch that makes the metal walls feel lived in.
My advice? Don’t skip any of them, even if the kids are racing ahead.
Each stop adds another piece to the puzzle. By the end, you’ll have a real picture of how this small crew handled such an unusual, high-tech mission.
It’s also a sweet way to honor the sailors who served aboard. Their voices keep the boat’s history alive for every new visitor who climbs inside.
Families with a Navy connection may find this part especially moving. Even if you have no military ties at all, hearing those firsthand memories turns a cool tour into something you’ll remember long after you head home.
The Galleries Deserve More Than A Quick Glance
A submarine is the headliner, but the opening act is pretty great too. Albacore Park includes a maritime museum with expanded exhibit spaces worth exploring.
The galleries cover the history of the USS Albacore itself. They also look at the wider U.S.
Submarine Service and the maritime heritage of coastal New England.
You’ll find interactive displays, curated artifacts, and memorial exhibits. The Portsmouth Naval Shipyard, where the Albacore was built, gets attention here as well.
I’d suggest visiting the galleries first. Learning the background before boarding makes every valve and gauge inside the sub feel more meaningful.
Of course, some kids will want the submarine immediately. In that case, circle back to the museum afterward while those questions are still fresh in their heads.
The exhibits also show how one small coastal city played a big role in naval history. New Hampshire doesn’t always get credit for that, but the story is all here.
Give yourself time to read and wander. Rushing through would mean missing the details that connect the sub to the larger story of the sea.
A Quiet Garden Worth Pausing For
After all that ducking and climbing, a calm outdoor space feels just right. The memorial garden at Albacore Park offers a peaceful spot to slow down.
The garden honors the submariners who served. It’s a thoughtful counterpoint to the excitement of the tour itself.
Take a slow walk and read the markers. It’s a nice moment to talk with kids about the people behind the machines.
This is a good place to stretch your legs, too. Submarine passageways aren’t exactly roomy, so some open air feels great afterward.
I like that the park makes room for reflection. A visit here becomes more than a fun outing, and it gently reminds everyone how much these sailors gave.
Visiting in spring, summer, or early fall means comfortable weather for strolling. Bring a light jacket on breezier coastal days, since Portsmouth sits right near the water.
Don’t treat the garden as an afterthought on your way to the car. A few quiet minutes here can tie the whole experience together in a meaningful way.
Pack Light And Plan Around These Rules
Leave the big bag in the car. No backpacks, purses, bags, or strollers are allowed inside the submarine, and honestly, you wouldn’t want them squeezing through hatches anyway.
Children under two can’t board the sub for safety reasons. Pets aren’t allowed aboard either, though service dogs are the exception.
You’ll find the USS Albacore Museum, Portsmouth, at 569 Submarine Way, Portsmouth, NH 03801. It’s run by the non-profit Portsmouth Submarine & Maritime Association.
Hours shift with the seasons. From mid-February through Memorial Day, it’s open 9:30 a.m. to 4 p.m., seven days a week.
Summer brings longer days. From Memorial Day through Columbus Day, also called Indigenous Peoples’ Day, hours run 9:30 a.m. to 5 p.m.
After that holiday, hours return to 9:30 a.m. to 4 p.m. until mid-December. The park then closes for winter until mid-February.
Hours can change, so check before you go. A little planning saves you from arriving to a locked gate and a very disappointed submarine fan in the backseat.
A Landmark Worth Bragging About Back Home
National Historic Landmark status isn’t handed out casually. The USS Albacore earned that honor, putting it among the most important historic sites in the country.
The museum first opened to the public on August 30, 1986. Since then, the USS Albacore Museum, Portsmouth, has welcomed curious visitors eager to see this engineering marvel up close.
Before leaving, swing through the gift shop. It’s a fun place to grab a souvenir that keeps the submarine memories going.
The park also hosts private events. Weddings and work functions can take place here, which might be the most memorable venue choice in New Hampshire.
Imagine telling guests your reception sits next to a record-breaking sub. That beats a regular banquet hall by a mile.
For regular visitors, this stop pairs nicely with a day exploring Portsmouth. It’s a quick, rewarding outing that fits easily into a coastal road trip.
Science lovers, history buffs, and kids who just want to press buttons will all leave happy. Few places let you literally climb inside the future, even if that future first launched back in 1953.
