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.
Fingal's Cave is a sea cave on the uninhabited island of Staffa, in the Inner Hebrides of Scotland, known for its natural acoustics. The National Trust for Scotland owns the cave as part of a National Nature Reserve.