Hilo, HI
Mauna Kea Visitor Information Station
World-class stargazing at 9,200 feet with free evening telescope programs. Free. Best from about age 5. A half-day trip.
- Nature
- Ages 5+
- ~3h
- Free
We pulled these 189 free adventures out of our full catalog of kid-friendly spots in Hawaii, Texas, New York, Puerto Rico, US Virgin Islands, Oklahoma and Florida. Every listing has the ages it suits, what it costs, how long to budget, parking notes, and what to pack.
Showing 66 of 189 adventures — pick a state above for the full list
Hilo, HI
World-class stargazing at 9,200 feet with free evening telescope programs. Free. Best from about age 5. A half-day trip.
Kailua, HI
Award-winning white sand beach with turquoise water and gentle waves. Free. Works from toddler age. A half-day trip. Stroller-friendly.
Kapaa, HI
Protected rock pools for safe snorkeling and a massive playground on Kauai east side. Free. Works from toddler age. A half-day trip.
Koloa, HI
America's Best Beach with a protected keiki pool, monk seals, and sunny south shore weather. Free. Works from toddler age.
Captain Cook, HI
Steep hike down to world-class snorkeling in a marine sanctuary with dolphins. Free. Better for ages 8 and up. Easily a full day.
Haiku, HI
Easy waterfall hike with swimming at the first stop on the Road to Hana. Free. Best from about age 4. About two hours. Easy going.
Hanalei, HI
Premier snorkeling through reef tunnels with Bali Hai mountain backdrop. Free. Best from about age 5. A half-day trip. Easy going.
Hilo, HI
Hawaii's biggest farmers market with 200+ vendors, exotic fruits, and tropical flowers. Free. Works from toddler age. About an hour.
Kaneohe, HI
Free 400-acre botanical garden with dramatic mountain backdrop and camping. Free. Works from toddler age. About two hours.
Naalehu, HI
Volcanic black sand beach famous for Hawaiian green sea turtles basking on shore. Free. Works from toddler age. About an hour.
Naalehu, HI
Hike to one of only four green sand beaches in the world at the US southernmost point. Free. Better for ages 8 and up. A half-day trip.
Wailuku, HI
Natural ocean blowhole shooting water 100 feet high on a dramatic lava coast. Free. Better for ages 6 and up. About an hour.
Little Elm, TX
Sandy lake beach on Lewisville Lake with roped swim area and free life jacket loans. Free. Best from about age 3. A half-day trip.
Bertram, TX
Free federal refuge with birding trails and Junior Rangers. Free. Best from about age 3. About two hours. Stroller-friendly.
Cedar Park, TX
14-mile paved trail with playgrounds connecting Cedar Park and Round Rock. Free. Works from toddler age. About two hours.
Flower Mound, TX
26 miles of lakeside singletrack mountain biking trails. Free. Better for ages 6 and up. A half-day trip. Dogs welcome. Moderate effort.
Fort Worth, TX
Free permanent collection in a famous Louis Kahn building in Fort Worth, small enough for a one-hour gallery visit with young kids.
Frisco, TX
Bronze longhorn sculptures and a pond in a compact landscaped park. Free. Works from toddler age. About an hour. Stroller-friendly.
Garland, TX
Old-growth forest with guided nature hikes near Dallas. Free. Best from about age 3. About two hours. Stroller-friendly.
Georgetown, TX
26-mile lakeside trail with canyon overlooks and Hill Country terrain. Free. Best from about age 5. A half-day trip. Dogs welcome.
Humble, TX
Boardwalk trails through cypress swamp with free guided canoe trips. Free. Works from toddler age. About two hours. Stroller-friendly.
Sherman, TX
12,000-acre wildlife refuge with kids programs on Lake Texoma. Free. Best from about age 3. A half-day trip. Easy going.
Southlake, TX
Short easy trails through rare Cross Timbers forest in Southlake. Free. Works from toddler age. About an hour. Stroller-friendly.
Waco, TX
Dramatic blufftop trails and hidden grottos above the Brazos River. Free. Best from about age 4. About two hours. Dogs welcome.
Beacon, NY
Free evening sails on the Hudson aboard Pete Seeger's volunteer-crewed sloop Woody Guthrie. No charge, ever. Reserve by phone.
Haines Falls, NY
The tallest two-tiered waterfall in New York State at 260 feet. Free. Best from about age 5. About two hours. Dogs welcome.
Poughkeepsie, NY
Walk 212 feet above the Hudson River on the longest elevated pedestrian bridge in the world. Free. Works from toddler age.
Sundown, NY
Stunning blue-green natural swimming hole with waterfall in the Catskill forest. Free. Best from about age 5. A half-day trip.
Caroga Lake, NY
Quick and easy fire tower hike perfect for young or beginner hikers. Free. Best from about age 4. About an hour. Dogs welcome.
Gowanda, NY
Wild 600-foot gorge with old-growth forest and deep swimming holes. Free. Better for ages 8 and up. A half-day trip. Dogs welcome.
Honeoye, NY
Easy hilltop trails with stunning views over Honeoye Lake and the Finger Lakes. Free. Best from about age 3. About two hours.
Keene, NY
The most popular Adirondack High Peak with stunning 360-degree summit views. Free. Better for ages 7 and up. Easily a full day.
Keene Valley, NY
Epic hike past a 150-foot waterfall to the iconic Ausable Lakes cliff-top view. Free. Better for ages 8 and up. Easily a full day.
Middleburgh, NY
Short hike to a cliff-top meadow with sweeping Schoharie Valley views. Free. Best from about age 5. About two hours. Dogs welcome.
Pilot Knob, NY
Challenging summit hike with sweeping Lake George views from 2,334 feet. Free. Better for ages 7 and up. Easily a full day.
Wolcott, NY
Otherworldly clay spires sculpted by erosion on the shore of Lake Ontario. Free. Best from about age 5. About two hours.
Rio Grande, PR
The only tropical rainforest in the US National Forest system, with roadside waterfalls and a canopy tower a short walk from the car.
Aguadilla, PR
Submerged pier pilings have grown coral and sponge into an artificial reef, making this the easiest genuinely good snorkel on the west coast.
Cabo Rojo, PR
A calm, shallow, palm-shaded cove on Puerto Rico's west coast, and one of the gentlest beaches on the island for toddlers and nervous swimmers.
Cabo Rojo, PR
A curved bay under limestone cliffs at the island's south-west tip, with the 1882 Los Morrillos lighthouse on the headland above.
Culebra, PR
Swim out a short way from a quiet Culebra shore and you are over turtle grass where green sea turtles graze most mornings. No facilities at all.
Guanica, PR
A UN biosphere reserve of subtropical dry forest - cactus, thorn scrub and rare birds - with hot coastal trails leading down to empty beaches.
Isabela, PR
A limestone-framed bay on the north-west coast with a reliable surf break at one end and sheltered tide pools for children at the other.
Loiza, PR
A coastal boardwalk and bike path through mangrove and palm, lined with kiosks frying the best street food on the island.
Luquillo, PR
A cold, clear river pool on the edge of El Yunque, reached by a short forest walk - a local swimming hole rather than a sight.
Rincon, PR
Puerto Rico's best-known surf break, with beginner lessons when the summer swell drops and humpback whales passing offshore in winter.
Christiansted, VI
Swim a couple of hundred feet from the sand and the reef simply ends at a wall dropping thousands of feet into open blue. Easy entry, big drop-off.
Frederiksted, VI
Pier pilings encrusted with orange and purple sponge hold seahorses, frogfish and octopus in shallow, sheltered, unusually clear water.
St. John, VI
The longest beach on St. John, with a small offshore cay within snorkelling range and a Danish sugar plantation ruin trail just behind the sand.
St. John, VI
The closest good reef to Cruz Bay: elkhorn coral heads sit a short swim from the sand, with parking directly beside the beach.
St. John, VI
A calm crescent reached by a half-hour walk from Cruz Bay, with kayak and paddleboard rental, snorkelling gear and a beach bar on the sand.
St. John, VI
Green sea turtles graze the seagrass a few yards off the sand, in water so shallow and calm you can watch them standing up.
St. Thomas, VI
A free local beach by the university with calm shallow water, sea grape shade, food vans behind it and planes landing directly overhead.
St. Thomas, VI
The best shore snorkelling on St. Thomas - dense reef fish right off the sand, in shallow, protected, usually calm water.
St. Thomas, VI
Reef within easy swimming range at both ends, a long shallow sandy middle for small children, and a straight view across to St. John from the sand.
Broken Bow, OK
Crystal-clear 14,000-acre mountain lake with calm swimming coves and 180 miles of shoreline. Free. Works from toddler age.
Broken Bow, OK
Easy 2-mile forest loop trail through towering pines in Beavers Bend State Park. Free. Best from about age 3. About an hour.
Broken Bow, OK
Easy 0.8-mile river-view loop across from Dogwood Campground in Beavers Bend State Park - one of Broken Bow's best quick family hikes
Broken Bow, OK
Premier 12-mile trail system with lake views and flexible routes in Beavers Bend State Park. Free. Better for ages 6 and up.
Broken Bow, OK
Free forestry museum inside Beavers Bend State Park with wall murals, logging tools, and dioramas for a rained-out cabin day.
Broken Bow, OK
Popular 1.5-mile family loop with a river waterfall in Beavers Bend State Park. Free. Best from about age 3. About an hour.
Idabel, OK
Idabel museum forty minutes from Broken Bow with a full mounted Acrocanthosaurus and Native American art of the Americas.
Stuart, FL
A worm-rock reef sits just offshore and turns the water inside into a warm, calm, waist-deep pool full of fish at low tide.
Islamorada, FL
A free roadside beach with warm, ankle-deep water for hundreds of feet and a boardwalk through mangroves - made for toddlers.
Marathon, FL
A free, shaded, sandy municipal beach in the middle Keys with calm shallow water, a playground and real palm-tree shade.
Sarasota, FL
Quartz sand that stays cool underfoot even in August, and Gulf water so shallow and calm it works as a giant paddling pool for small children.