Tomb of Mughal Emperor Humayan, Delhi
Swaminaryam, Delhi. (100% marble)
Unfortunately, Ashkhardam, right next door, was closed the day I was there.
Ghurdwara Bangla Sahib: Sikh temple in Delhi
Golden Temple, Amritsar
The Guru Granth Sahib is being sung continuously and broadcast throughout the temple, with the verses displayed on giant screens. The musicians are not referring to any script. They know it by heart, an impossibly complex musical accomplishment.