Part "Weird U.S." and part "Roadside America," GROSSAMERICAoffers families a road trip through the USA that would delight the King of Bad Taste John Waters and the unflappable guys on MTV's "Jackass."

Sure, you could use your vacation days to take the family to the beach again. Or, you could plan a trip to see brains in jars, frozen dead guys, and visit a factory that makes candy-coated insects. You can:

• head down to Houston, Texas, and walk inside a 27-foot model of the human intestinal system
• visit a Civil War battlefield embalming diorama
• head over...