Show cave · Hellertown, Northampton County
Lost River Caverns
Guided tours follow an underground stream through crystal-lined chambers, one of them used for weddings, and the Gilman family's museum of minerals, gems and fossils waits above ground.
Make a day of it
Nearby
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National Museum of Industrial History
A Smithsonian affiliate in a former Bethlehem Steel building, telling the story of American industry.
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Historic Bethlehem Museums & Sites
The 18th-century Moravian settlement at the heart of Bethlehem, now a UNESCO World Heritage Site, with museums and guided tours.
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America On Wheels Museum
Cars, trucks and motorcycles tell the story of over-the-road travel at this museum beside the Lehigh River, from an 1889 gas-powered carriage to Mack trucks built in the Lehigh Valley.
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Allentown Art Museum
European Renaissance and Baroque paintings from the Kress collection and American art, along with a complete Frank Lloyd Wright library rescued from a Minnesota house.
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Da Vinci Science Center
A big hands-on science center that moved downtown in 2024, where families can explore physics, the human body, engineering and more through interactive exhibits.
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Nockamixon State Park
A long reservoir in the rolling hills, busy with sailboats and anglers, with a marina, a swimming pool, cabins, a paved bike path and bridle trails along the shore.
