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
![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
Culture Critic on X: "10. The Inverted Tower, Quinta da Regaleira, Sintra (1911) 🇵🇹 https://t.co/I7BTMHWw6H" / X
![The Initiation Wells (Inverted tower) in Quinta da Regaleira estate. Sintra. Portugal Stock Photo - Alamy The Initiation Wells (Inverted tower) in Quinta da Regaleira estate. Sintra. Portugal Stock Photo - Alamy](https://c8.alamy.com/comp/WWYE6M/the-initiation-wells-inverted-tower-in-quinta-da-regaleira-estate-sintra-portugal-WWYE6M.jpg)
The Initiation Wells (Inverted tower) in Quinta da Regaleira estate. Sintra. Portugal Stock Photo - Alamy
![Inverted Tower Sintra Portugal Stock Photo - Download Image Now - Sintra, Quinta da Regaleira, Maze - iStock Inverted Tower Sintra Portugal Stock Photo - Download Image Now - Sintra, Quinta da Regaleira, Maze - iStock](https://media.istockphoto.com/id/452635663/photo/inverted-tower-sintra-portugal.jpg?s=1024x1024&w=is&k=20&c=zwwdXLwUJ5km9c_yo3bqT0zvpwijcaEmSSRlHVoypEI=)
Inverted Tower Sintra Portugal Stock Photo - Download Image Now - Sintra, Quinta da Regaleira, Maze - iStock
![The Inverted Tower, Regaleira Palace Complex, Sintra, Portugal Stock Image - Image of portugal, initiation: 203503127 The Inverted Tower, Regaleira Palace Complex, Sintra, Portugal Stock Image - Image of portugal, initiation: 203503127](https://thumbs.dreamstime.com/z/inverted-tower-regaleira-palace-complex-sintra-portugal-initiation-well-meter-staircase-leads-straight-down-203503127.jpg)
The Inverted Tower, Regaleira Palace Complex, Sintra, Portugal Stock Image - Image of portugal, initiation: 203503127
![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)