The term 'Prominent Landmark' can be summarized as a structure that is well-known and easily recognizable. One example of a prominent landmark is the TOWER of London, which is a historic castle located in the heart of London, England. It was built by William the Conqueror in 1078 and has been used as a royal residence, prison, and place of execution. The TOWER of London is one of the most visited tourist attractions in the world and is a UNESCO World Heritage Site.