7Rosslyn Chapel, Scotland

Located near Edinburgh, Rosslyn Chapel is a Gothic church steeped in mystery and symbolic carvings. Built in the 15th century, it features iconography tied to Freemasonry, the Knights Templar, and ancient religious traditions. Some carvings appear to show plants from the Americas—possibly created before Columbus reached the New World. Many researchers believe the chapel could be hiding hidden chambers or sacred relics, making it a focus of conspiracy theories and esoteric studies.