Antique treasure - hunting draws shoppers from around the world to American flea markets . Farmers and merchants have been swapping goods in Houston , Texas , since 1900 . Tip : Springfield Horse Show & Flea Market in Ohio draws more than 20,000 visitors .
Antique treasure - hunting draws shoppers from around the world to American flea markets . Farmers and merchants have been swapping goods in Houston , Texas , since 1900 . Springfield Horse Show & Flea Market in Ohio draws more than 20,000 visitors .