People have found plenty of intriguing things hidden in their homes. When a dad lifted a loose tile in the closet of his new home, he found a secret safe set into concrete. Homeowner Joe DiCresce even posted a photo on social media, "Just bought a house. Found this hidden under the floor. How do I open this?" DiCresce tried to guess the combination, with help from his daughter Rebecca. Remodeling a home in Michigan revealed antique books and a puzzling metal artifact.