evidence: One of Ireland’s best preserved medieval villages is located in the smallest county. Carlingford in Co Louth is a magical village that transports visitors back in time. [...] Back in the 9th century, Vikings invaded Ireland and according to historical records, they occupied Carlingford in Lough, which was a naturally secure bay. Carlingford was inhabited in the 12th century by Norman knight Hugh de Lacy. [...] Carlingford is the perfect blend of history and adventure. It’s stunning landscape and rich heritage make it a perfect destination for history lovers and thrill seekers. Younger visitors may enjoy a visit to Ireland's last remaining Leprechaun cavern.