Maria Rickenbach Monastery was initially established after a 1528 painting of the Blessed Mother was placed in a hollow maple tree on that site. Subsequently, unable to remove the painting, which came to be considered miraculous, the church and monastery were established around the tree, which is now enclosed by a shrine.
In 1857, a small group of women who wanted to follow a monastic way of life acquired the monastery. There they established the practice of Perpetual Adoration as a part of their life. The monastery is often associated with Engelberg Abbey, under the guidance of which they were established and later became formally incorporated into the Benedictine Order.
It is accessible to the public only by cable car from Niederrickenbach Station on the Luzern–Stans–Engelberg railway line.
References:The Walls of Constantinople are a series of defensive stone walls that have surrounded and protected the city of Constantinople (today Istanbul) since its founding as the new capital of the Roman Empire by Constantine the Great. With numerous additions and modifications during their history, they were the last great fortification system of antiquity, and one of the most complex and elaborate systems ever built. They were also the largest and strongest fortification in both the ancient and medieval world.
Initially built by Constantine the Great, the walls surrounded the new city on all sides, protecting it against attack from both sea and land. As the city grew, the famous double line of the Theodosian Walls was built in the 5th century. Although the other sections of the walls were less elaborate, they were, when well-manned, almost impregnable for any medieval besieger.