Back to Eucharistic Miracles
1996 AD

Miracle of Buenos Aires

Buenos Aires, Argentina

Blood Type: ABLiving myocardium, left ventricle

The Miracle

A consecrated Host that had been placed in water (standard procedure for disposing of a dropped Host) was found to have transformed into what appeared to be bloody flesh. The then-Archbishop Jorge Bergoglio (now Pope Francis) ordered scientific investigation.

Scientific Findings

Dr. Frederick Zugibe, a renowned forensic cardiologist, analyzed the sample without being told its origin. He identified it as living heart muscle tissue (myocardium) from the left ventricle, showing white blood cells that had penetrated the tissue, indicating the heart was under severe stress. Blood type AB.

Lead Researcher

Dr. Frederick Zugibe (forensic cardiologist), Dr. Robert Lawrence

Location

Buenos Aires, Argentina

Support Our Mission

Help us document and share the extraordinary stories of Eucharistic miracles.

Pilgrim Voices

Testimonies, experiences, and reviews from our community

Pilgrim ExperienceVisited September 2024

My visit to Miracle of Buenos Aires

Standing in the church where the Eucharistic miracle of Miracle of Buenos Aires took place was overwhelming. In Buenos Aires, you can see the actual miraculous elements preserved behind glass. The scientific evidence is displayed alongside, which I found compelling.

January 30, 2026

Pilgrim ExperienceVisited January 2024

My visit to Miracle of Buenos Aires

The Eucharistic miracle of Miracle of Buenos Aires in Buenos Aires is one of those things you have to see in person to fully appreciate. Photos do not capture the feeling of standing before something that science cannot explain. I prayed the rosary there and felt deeply grateful.

September 2, 2025

Pilgrim ExperienceVisited May 2024

My visit to Miracle of Buenos Aires

The Eucharistic miracle of Miracle of Buenos Aires in Buenos Aires is one of those things you have to see in person to fully appreciate. Photos do not capture the feeling of standing before something that science cannot explain. I prayed the rosary there and felt deeply grateful.

June 20, 2025