Open Ceiling Cave on Na Pali Coast, Kauai, Hawaii, USA. This cave is a hollowed-out lava tube, and may have served as a place where ancient Hawaiians could rest in their canoes when traveling along the coast.
Street art is visual art created in public locations. Those public locations can be walls, streets, pavements and even stairs. Check out these Awesome Stairs Street Art, and there is surely something which can inspire you.
San Francisco’s Mosaic Staircase. Hidden art gem in San Francisco; head to and Moraga to discover The Avenue Tiled Steps. Not only will you be able to see some amazing views of the city, you'll get to appreciate a beautiful mosaic running up 163 steps.
Blue Mosque or The Sultan Ahmed Mosque is an historic mosque in Istanbul. The mosque is popularly known as the Blue Mosque for the blue tiles adorning the walls of its interior. It was built during the rule of Ahmed I.