Nestled close to the border with Mexico lies Lake Casa Blanca, a pristine body of water whose shores glisten with jewels of the past – fossils, that is. This state park in Laredo boasts land that was once underwater, and has the fossilized remnants of sea structures to prove it. Whether you just want to take a scenic stroll through nature or hunt for mysteries of the past, Lake Casa Blanca is well worth a stop on The Texas Bucket List!