Antique World Mall and The Annex in Boise, Idaho, is that rare kind of place—a labyrinthine wonderland where yesterday’s discarded treasures become today’s most coveted finds.

That’s exactly what happens at Antique World Mall and The Annex in Boise, Idaho – a veritable Narnia for nostalgia hunters where hours dissolve faster than an ice cube in the summer sun. In a world of ...