Treasure Island Antiques in Naples, Florida is what happens when a museum has a wild affair with your grandmother’s attic and they decide to set up shop in paradise.

That’s the dilemma with Boonsboro Antiques in Boonsboro, Maryland – a sprawling wonderland of vintage treasures where your wallet stays surprisingly intact while your home gets beautifully decorated.

The Chinese Imperial vase, dating back to the 18th Century, sold for more than 80 times what it had been valued at ...