Indian Subcontinent including SE Asia (12)
Ajanta Caves - YES, impressive art, the fresco and rock craving are the masterpiece.
Bamiyan Valley - NO, famous for its Taliban destruction, few significant sights remain
Borobudur - YES, one of the most iconic Buddhist monument.
Buddhist Vihara at Paharpur - NO, the vihara is one of the biggest but the style can be found in many ruins from Bangladesh to India.
Golden Temple of Dambulla - NO, rock painting is very intricate, but for Sri Lankan Art better to represent by Polonnaruwa.
Kandy - NO, the Temple of Tooth is maybe one of the most important site for pilgrimage but its architecture is still not the Sri Lankan's best.
Lumbini - NO, Birthplace of the Lord Buddha, but almost nothing left.
Mahabodhi Temple Complex - MAYBE, the birthplace of Buddhism, the center of Buddhism pilgrimage, but the architecture is controversial.
Sanchi - NO, one of the masterpiece of Indian art, and the early model of stupa, but other stupas in Sri Lanka are more impressive.
Sigiriya - NO, this is fortress or palace or temple is still not sure.
Takht-i-Bahi - NO, important site but similar sites can be found.
Taxila - NO, one of the most important sites for Buddhism education in the old time, but I will prefer the tentative Nalanda.
East Asia (12)
Dazu - NO, its Taoism element is far more superior.
Haeinsa Temple - NO, the temple is beautiful but the WHS is the storage for wooden blocks.
Hiraizumi - NO, paradise gardens are beautiful but Japanese garden can be represented by more important site eg. Kyoto
Horyu-ji Area - NO, oldest wooden temple does not mean beautiful or iconic.
Kii Mountain - NO, Buddhist elements can be found in Kayasan and Yoshino, but Kyoto and Nara can represent this similar style.
Longmen - NO, one of the best Chinese art during Tang Dynasty, but Yungang can show more styles.
Mogao Caves - MAYBE, another gems of Silk Road, the paintings are one of the best in East Asia
Mount Emei - NO, biggest Buddha in the world, sacred mountains similar to Mt Wutai.
Mount Wutai - NO, another sacred mountain
Potala Palace - YES, represent Tibetan culture and very iconic
Bulguksa Temple - NO, one of the nicest temple in East Asia, its grotto is a masterpiece but very small compared to caves in China
Yungang - YES, the only grottoes that show various styles of Chinese art development, the motif and still colorful.