Louth has a rich medieval past. The town of Dundalk has connections with the mythical hero Cuchulainn. It is a vibrant shopping town and has a newly refurbished Town Hall and Basement Gallery, an award-winning Country Museum and the magnificent St. Patrick's Cathedral that dates back to 1837. Drogheda on the River Boyne, has many fascinating buildings including St. Laurence's Gate, Milmount Motte and Martello Tower. The relics of St. Oliver Plunkett, martyred in 1681, are preserved in St. Peter's Church. The heritage town of Carlingford displays its past in King John's Castle and the interpretive centre.