Altena Castle is a medieval hill castle in the town of Altena in North Rhine-Westphalia.
The Dechen Cave in Iserlohn, Germany is one of the most visited show caves in Germany.
The Atta Cave or Attendorn Dripstone Cave in Attendorn is one of the largest dripstone caves in Germany.
The Balver Höhle is the biggest cave used as a cultural venue in Europe. It is located in Balve, Germany.
Grafschaft Abbey is a community of the Sisters of Mercy of Saint Charles Borromeo, formerly a Benedictine monastery, in Schmallenberg…
