The horseshoe crab (Limulus) is a marine arthropod and a testimony to the creative design and organization of God’s living creation. These odd crabs look much like crustaceans (lobsters, crabs and shrimp), but belong to a group of the subphylum Chelicerata.

Concretions are remarkable geological curiosities. They are spherical carbonate formations composed of mineral cement. Concretions are found near and far, from Western Kazakhstan to beaches in California. Usually the size of cannonballs, they form from water eroding a piece out of sedimentary rock. They almost look man-made.

Bats are found throughout America, but in certain areas of the country (e.g., the southwest) bats are the reason tourists visit. They gather and watch these mammals surge into the evening sky. The bats soar from cave systems by the thousands on their nightly foray. You have probably seen bats as they fed on the wing but mistook them for birds.