Patalpuri Temple (Allahabad)
Within this underground temple, inside the fort, lies the Akshayavat - or the immortal tree. Believed to have been visited by Lord Rama, the temple was also seen by the famous Chinese traveler and writer Hiuen Tsang during his visit to the place.
The immortal banyan tree or 'Akshaya Vata' within the Patalauri temple, has found mention in the description of several ancient scriptures, writers and historians. The pilgrims used to throw themselves from this tree to achieve salvation.