The gift reflects the outsized ambitions the retail-chain family has for the Crystal Bridges Museum of American Art, a complex of eight gallery pavilions it has helped build around a pair of ponds in the company's northwestern Arkansas hometown of Bentonville (population 35, 301).

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Or head to the Museo del Vidrio y Cristal (Museum of Glass and Crystal) to see an extraordinary private collection of antique furniture, priceless carpets, pre-Raphaelite stained-glass windows and vast 16th-century ancestral portraits.

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Last year, she opened Crystal Bridges Museum of American Art in the town of Bentonville, Ark.

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Her work now hangs in museums around the world, including Ms. Walton's Crystal Bridges Museum of American Art in Bentonville, Ark.

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