1.0GdanskAdventure.comhttps://gdanskadventure.com/en/Ownerhttps://gdanskadventure.com/en/author/owner/rich600338<blockquote class="wp-embedded-content" data-secret="JdIi20LUnp"><a href="https://gdanskadventure.com/en/tours-from-gdansk/wolfs-lair-tour/">Guided Wolf’s Lair Tour</a></blockquote><iframe sandbox="allow-scripts" security="restricted" src="https://gdanskadventure.com/en/tours-from-gdansk/wolfs-lair-tour/embed/#?secret=JdIi20LUnp" width="600" height="338" title="“Guided Wolf’s Lair Tour” — GdanskAdventure.com" data-secret="JdIi20LUnp" 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://gdanskadventure.com/wp-includes/js/wp-embed.min.js </script> https://gdanskadventure.com/wp-content/uploads/2022/04/wolfschanze.jpg1000478Adolf Hitler had several military headquarters in Europe during World War 2. The first one in Eastern Front was built in the middle of Masurian woods near the small town of Ketrzyn (former Rastenburg). Great Masurian Lakes were a natural obstacle for the land force and that is why this place was chosen for building […]