1- Blue Mosque, Turkey
The main thing which makes the blue mosque one of the most beautiful mosques is its blue tiles which are used in the interior. These all tiles are painted by hand; its proper name is Sultan Ahmed Mosque. It is known as the blue mosque due to its blue tiles. Tiles are painted and arranged in such a way that they make different flowers, fruits, and wood designs. It is situated in Istanbul and much a popular place for tourists. It is open for non-Muslims but closed for half an at prayer time five times a day. Administration provides scarves to cover the head, pants, etc at rent at the entry. You have to remove your shoes to enter the mosque.