6. The Secrets of Winfield Hall, the Woolworth Mansion in Glen Cove
Years before the Roaring Twenties, Frank Woolworth built himself a fortune when he opened a store selling merchandise for spare change. His company, the F. W. Woolworth Company, pioneered the five-and-dime stores that became popular in the United States. With his fortune built off of nickels and dimes, he later built Winfield Hall for $10 million in Glen Cove, Long Island.
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