If you ever visit Ephesus and if you are a Christian by religion, the possibility of you to visit the house of the Virgin Mary is 99%. It's very close to Ephesus and why not gain some merit while you are around.
It is believed that Virgin Mary had spent her last days in this house which is in the vicinity of Ephesus and that she had died there. It is an important pilgrimage place visited by thousands of tourists every year. The last holy VİP guest was Pope Benedict XVI who visited the shrine in 2006.
If you can ignore the crowds, it is a very nice and peaceful place on top of a mountain. After visiting the chapel, you could light candles, drink from a spring running under the house which is believed to have healing properties and make a wish on the wish wall by tying a piece of fabric.