broch of mousa; which is a preserved iron age round tower on the rocky coastline. shetland, scotland.

age ancient archipelago architecture area background beach beautiful blue brick britain broch building cliff coast coastline countryside culture europe exterior facade famous fortifications fortress great hill historic historical iron island islands isle kingdom landmark landscape medieval monument mousa natural nature north northern ocean old prehistoric rock round ruin sand scenery scenic scotland sea shetland shetlands sightseeing sky stone tourism tower travel united view water wild