![Unusual view of Initiation well in Quinta da Regaleira. Unfinished Well. Inverted tower. Stock Photo | Adobe Stock Unusual view of Initiation well in Quinta da Regaleira. Unfinished Well. Inverted tower. Stock Photo | Adobe Stock](https://as1.ftcdn.net/v2/jpg/01/39/25/10/1000_F_139251044_x7Wsy0UyZlVb3JihbxcClizMgOXNV21I.jpg)
Unusual view of Initiation well in Quinta da Regaleira. Unfinished Well. Inverted tower. Stock Photo | Adobe Stock
![The Initiation Well (Inverted tower) in Quinta da Regaleira estate. Sintra. Portugal Stock Photo | Adobe Stock The Initiation Well (Inverted tower) in Quinta da Regaleira estate. Sintra. Portugal Stock Photo | Adobe Stock](https://as2.ftcdn.net/v2/jpg/02/05/20/25/1000_F_205202532_wO71dKUI2hznhqEBCyxSgXS2digywFzi.jpg)
The Initiation Well (Inverted tower) in Quinta da Regaleira estate. Sintra. Portugal Stock Photo | Adobe Stock
![View from below of the spiral stairs inside the inverted tower called also initiation well at Quinta da Regaleira Palace Sintra Portugal Europe View from below of the spiral stairs inside the inverted tower called also initiation well at Quinta da Regaleira Palace Sintra Portugal Europe](http://www.clickalps.com/photo/600/158/MC-122851.jpg)
View from below of the spiral stairs inside the inverted tower called also initiation well at Quinta da Regaleira Palace Sintra Portugal Europe
Polantis - The Inverted Tower in Sintra, Portugal. This underground tunnel with a spiral staircase, supported by curved columns, evokes references to Dante's Divine Comedy and may represent the nine circles of
![Initiation well or inverted tower in the park of the Quinta da Regaleira palace in Sintra, Portugal Stock Photo - Alamy Initiation well or inverted tower in the park of the Quinta da Regaleira palace in Sintra, Portugal Stock Photo - Alamy](https://c8.alamy.com/comp/RHPEX2/initiation-well-or-inverted-tower-in-the-park-of-the-quinta-da-regaleira-palace-in-sintra-portugal-RHPEX2.jpg)