This weekend Baltimore is the center of America's 250th birthday: Navy jets over the harbor, tall ships from a dozen nations, Fort McHenry in the backdrop. It's free, it's all weekend, and it's the one you'll be telling your kids about in fifteen years.

Everything else in this issue is real and worth your Saturday too — a free hands-on STEM zone for kids, a Parade of Nations, an aviation open house at Martin State, two nights of free concerts under the trees in Catonsville, a free art Sunday at the BMA, and a small-town parade-and-fireworks night up in Hereford. But SAIL250 is the main event.

Top Pick

SAIL250 Air Show over the Harbor — the Blue Angels — Baltimore's Inner Harbor (harbor-wide viewing) Saturday & Sunday, June 27-28, noon-4pm | All ages | FREE

On Saturday and Sunday afternoon, the Blue Angels fly over the same harbor where the Star-Spangled Banner was written — for America's 250th, for free, no ticket needed. Watch from Canton Waterfront Park, Federal Hill, or the Fort McHenry grounds, all with more room than the promenade. Pack ear protection for the littlest ones — the jets are loud.

Full SAIL250 guide below.

SAIL250: The Whole Weekend on the Water

The air show is the headline, but SAIL250 is a full waterfront festival all weekend — and almost all of it is free.

Free Tall Ship & Navy Vessel Tours (Inner Harbor piers & Fells Point). Walk the deck of an actual Navy ship or a historic tall ship from one of a dozen visiting nations. Tweens: you're standing where the sailors stand.
SAIL250 STEM Exploration Zone (Pratt Street Pavilion). Free, indoor, air-conditioned, and good for every age — kids steer an underwater ROV, take on Naval Academy challenges, and crack cryptography puzzles.
Kids on the Bay: Parade of Nations (Inner Harbor Promenade) — Saturday only, 11am. A free, kid-scaled parade celebrating the nations whose ships are in port — flags, costumes, front-row energy.
Martin State Airport Open House (Middle River, Baltimore County, Sat & Sun, 10am-5pm). The quieter stop: static aircraft, cockpits, takeoffs and landings, and the Glenn L. Martin Aviation Museum — all free, and far closer to the planes than across the water.

One bonus: the National Aquarium's SAIL250 Harbor Wetland exhibit — a re-created salt marsh between Piers 3 and 4 — is free and outdoors, open 9am-6pm all weekend (no aquarium ticket needed).

Quick Weekend Wins

Just show up

Free Family Sundays at the BMA at the Baltimore Museum of Art Always-free museum, plus Sunday-afternoon hands-on art workshops. Sunday, 2-5pm | All ages | FREE
Lurman Woodland Theatre in Catonsville Free live music in a clearing in the woods, two nights running — Remains of Radio Saturday, Carey Ziegler's Expensive Hobby Sunday. Bring a blanket and a picnic. Saturday & Sunday, 6-8pm | All ages | FREE
Dinosaur Tracks at the Catonsville Library at the BCPL Catonsville Branch Kids mix "tracking mud," press their own dinosaur track, and take it home. Free, indoors, no sign-up. Saturday, 10-11:30am | All ages | FREE

Ticketed This Weekend

These need registration, so sort them before the weekend

Bacterial Transformation Lab (ages 10-14) (BUGSS, Baltimore City). A real lab where your kid inserts DNA into bacteria — small cohort, fills fast. Saturday, 9:30-11:30am.
Superhero Little Leapers (Sky Zone, Gambrills). A jump session just for kids six and under — whole park, no big kids. ~$20/child, book ahead. Sunday, 8:30-10am.

Budget-Friendly Finds

Great experience, honest about the cost

Do SAIL250 for about $30. Light Rail in, pack a cooler, and the most spectacular air show on the East Coast costs you transit and a few sandwiches — versus $80-120 if you drive and buy lunch on-site.
Historic Hancock's Resolution (Pasadena, Anne Arundel County). A donation-based 18th-century working farm, open Sunday afternoons — a quiet, on-theme way to mark America's 250th. Good for history-curious kids. Sunday, 1-4pm.

For Toddler Families

Port Discovery Children's Museum (Inner Harbor, Sat & Sun) — three floors built for ages 0-10, ~$26 a person ($10 Community Day and $5 PlayMakers rate for EBT/WIC families). Plus the indoor SAIL250 STEM Zone (Pratt Street Pavilion, free, all weekend) and Barnes & Noble Storytime (free, Sat 11am, four locations).

Tween-Approved

Bacterial Transformation Lab (BUGSS, ages 10-14, Sat 9:30-11:30am) — a real lab where you insert DNA into bacteria, in an underground science space with a name like a band. Plus, at SAIL250: the STEM Zone (Pratt Street Pavilion — steer an ROV, crack a Naval Academy cipher) and the Tall Ship tours (walk a real Navy deck), both free.

Early 4th of July

Hereford 4th of July Festivities & Parade (Hereford High School, Baltimore County) — small-town parade at 6pm, festival, and fireworks at dusk, six days early. Free. Sunday, 6-10pm.
GORC 4th of July Celebration (GORC Park, Odenton) — bounce houses, food trucks, and a fireworks show. Free. Saturday, 6:30-11pm.

Mark Your Calendar

The 250th doesn't end Sunday — these book up now

July 3-4: BSO Star-Spangled 250! — the Baltimore Symphony plays a patriotic program (Copland, Bernstein, Tchaikovsky) with a fireworks finale at Oregon Ridge, both nights at 8pm. Lawn seating is first-come — buy now.
July 4: 4th of July Fireworks Paddle, Annapolis — watch the fireworks from a kayak or paddleboard. Guided, kids 8+, books out weeks ahead.
July 4: Baltimore's 4th of July at the Inner Harbor — free, all-ages, fireworks over the water. (Smaller crowd? Cherry Hill's Middle Branch Park runs a drone show instead.)
July 4: B&O 250th All-American Bash — a Fourth of July party inside the B&O Railroad Museum. Check ticketing ahead.

Local Intel

Insider tips

Don't drive to the Inner Harbor — biggest crowd in years. Take the Water Taxi or the Light Rail to Convention Center.
The air show runs noon to 4pm both days. Canton Waterfront Park and Fort McHenry have more room than the promenade.
Prefer a ballgame? The Orioles host the Nationals at 1:35pm Sunday — about $50-80 for four with upper-deck seats, a short walk from the Light Rail.

Also Worth Knowing

Queer Made Market (Peabody Heights Brewery) — Pride-weekend market of LGBTQ+ makers, free. Saturday, 1-6pm.
Bmore Flea (Peabody Heights Brewery) — vintage and makers, free. Sunday, 12-5pm.
Hands-on Glassblowing (McFadden Art Glass) — make and take home a glass piece. By reservation (call ahead), ages 5+.

Forwarded by a friend? Subscribe here — free, every Thursday.

The Blue Angels + 10 free things to do with the kids this weekend