The Monk Who Spent 22 Years Carving a Cathedral Into a Mountain Entirely by Hand

In 1961, a Spanish monk named Justo Gallego Martínez was forced to leave his monastery after contracting tuberculosis. With no architectural training and no formal funding, he made a vow: he would build a cathedral with his own hands, dedicated to Our Lady of the Pillar.

He returned to his hometown of Mejorada del Campo, near Madrid, took possession of an inherited plot of land, and began. He worked for the next 60 years, every single day, until his death in 2021 at age 96.

The Cathedral

• Footprint: Approximately 4,700 square meters
• Height: The main dome is 35 meters tall
• Materials: Almost entirely recycled — bricks from a local factory's rejects, food cans for column molds, bicycle tires, scrap metal
• No blueprints: Don Justo built it from imagination, often inspired by photographs of St. Peter's Basilica
• No permits: The cathedral has never been formally licensed
• No formal training: Don Justo was not an architect, engineer, or builder by profession

The Cathedral Today

After Don Justo's death in 2021, the cathedral was transferred to the religious order of "Mensajeros de la Paz" (Messengers of Peace), which is now working to legalize the structure, preserve it, and complete the unfinished sections. It has become a site of pilgrimage and a symbol of devotion.

Many architects who have visited say it should not stand by physics alone. But it does, and it has, for over 60 years.