1.0Castle Ruins & Velvet Cavehttps://www.kasteelvalkenburg.nl/en/James Robinsonhttps://www.kasteelvalkenburg.nl/en/author/james-robinson/rich600338<blockquote class="wp-embedded-content" data-secret="iYEByqIOgR"><a href="https://www.kasteelvalkenburg.nl/en/discover-our-locations/castle-ruins/">Castle Ruins</a></blockquote><iframe sandbox="allow-scripts" security="restricted" src="https://www.kasteelvalkenburg.nl/en/discover-our-locations/castle-ruins/embed/#?secret=iYEByqIOgR" width="600" height="338" title="“Castle Ruins” — Castle Ruins & Velvet Cave" data-secret="iYEByqIOgR" frameborder="0" marginwidth="0" marginheight="0" scrolling="no" class="wp-embedded-content"></iframe><script> /*! This file is auto-generated */ !function(d,l){"use strict";l.querySelector&&d.addEventListener&&"undefined"!=typeof URL&&(d.wp=d.wp||{},d.wp.receiveEmbedMessage||(d.wp.receiveEmbedMessage=function(e){var t=e.data;if((t||t.secret||t.message||t.value)&&!/[^a-zA-Z0-9]/.test(t.secret)){for(var s,r,n,a=l.querySelectorAll('iframe[data-secret="'+t.secret+'"]'),o=l.querySelectorAll('blockquote[data-secret="'+t.secret+'"]'),c=new RegExp("^https?:$","i"),i=0;i<o.length;i++)o[i].style.display="none";for(i=0;i<a.length;i++)s=a[i],e.source===s.contentWindow&&(s.removeAttribute("style"),"height"===t.message?(1e3<(r=parseInt(t.value,10))?r=1e3:~~r<200&&(r=200),s.height=r):"link"===t.message&&(r=new URL(s.getAttribute("src")),n=new URL(t.value),c.test(n.protocol))&&n.host===r.host&&l.activeElement===s&&(d.top.location.href=t.value))}},d.addEventListener("message",d.wp.receiveEmbedMessage,!1),l.addEventListener("DOMContentLoaded",function(){for(var e,t,s=l.querySelectorAll("iframe.wp-embedded-content"),r=0;r<s.length;r++)(t=(e=s[r]).getAttribute("data-secret"))||(t=Math.random().toString(36).substring(2,12),e.src+="#?secret="+t,e.setAttribute("data-secret",t)),e.contentWindow.postMessage({message:"ready",secret:t},"*")},!1)))}(window,document); //# sourceURL=https://www.kasteelvalkenburg.nl/wp-includes/js/wp-embed.min.js </script> https://www.kasteelvalkenburg.nl/wp-content/uploads/2020/03/Kasteelgrot-Fluweelengrot_Terug-naar-de-Middeleeuwen.jpg1440662Quarters of the ruins Visiting these historic remains of Valkenburg Castle, you can wander from the Great Hall to the defensive towers, from the dungeon to the old chapel, and from the artillery room to the subterranean escape passages to the Velvet Cave. The Velvet Cave Knights Relive the stirring history of the many sieges, […]