A large iron ring hangs from a wall, set in place many decades ago. And right below, there’s a big stone step. Look closely to see a peephole near the top. Who was spying? Join geologist Kathleen Marasco to find the answer on this walk near the Inner Harbor. We will share the stories of rocks from many of our largest buildings and monuments, and you’ll discover how far away these beautiful slabs of stone traveled to find a home here in Baltimore.
