Saints' Caves

St Francis - At The Heart Of The Eremo Della Carceri Is The Cave Which St Francis Used As A Retreat

Cave Of The Apocalypse Where St John "The Theologian" Received The "Book Of Revelation"
See En.Wikipedia.Org

Pechersk Lavra: St Anthony Of Kiev - "Anthony Returned To Kiev, And Founded Several Monasteries .... These .... Were Not As Austere As Anthony Was Used To From His Time On Mount Athos. He Instead Chose To Live In A Small Four-Yard Cave Which Had Been Dug By The Presbyter Hilarion". This Cave Developed Into The "Monastery Of The Caves" (Pechera = "Caves")

The Cave Of San Filippo Benizi Is A Small Oratory Located In Bagni San Filippo In Castiglione D'Orcia, Carved Out Of A Large Block Of Travertine. The Saint Withdrew Here In 1269, On The Occasion Of The Conclave Of Viterbo, To Avoid Being Elected As Successor To Clement Iv. (Nomination File, P. 75)
See It.Wikipedia.Org

Périgueux Cathedral Contains The Cave Of Saint-Front, Where The Saint Lived As A Hermit In The 4th Century.
See Fr.Wikipedia.Org