{"version":"1.0","provider_name":"Polen Travel (NL)","provider_url":"https:\/\/www.polen.travel\/nl","author_name":"magdalenastoch","author_url":"https:\/\/www.polen.travel\/nl\/author\/magdalenastoch\/","title":"Pracht en praal van Poolse kastelen en paleizen - Polen Travel (NL)","type":"rich","width":600,"height":338,"html":"<blockquote class=\"wp-embedded-content\" data-secret=\"q4jVQ7ywJb\"><a href=\"https:\/\/www.polen.travel\/nl\/pracht-en-praal-van-poolse-kastelen-en-paleizen\/\">Pracht en praal van Poolse kastelen en paleizen<\/a><\/blockquote><iframe sandbox=\"allow-scripts\" security=\"restricted\" src=\"https:\/\/www.polen.travel\/nl\/pracht-en-praal-van-poolse-kastelen-en-paleizen\/embed\/#?secret=q4jVQ7ywJb\" width=\"600\" height=\"338\" title=\"&#8222;Pracht en praal van Poolse kastelen en paleizen&#8221; &#8212; Polen Travel (NL)\" data-secret=\"q4jVQ7ywJb\" frameborder=\"0\" marginwidth=\"0\" marginheight=\"0\" scrolling=\"no\" class=\"wp-embedded-content\"><\/iframe><script type=\"text\/javascript\">\n\/* <![CDATA[ *\/\n\/*! This file is auto-generated *\/\n!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);\n\/* ]]> *\/\n<\/script>\n","thumbnail_url":"https:\/\/www.polen.travel\/nl\/wp-content\/uploads\/sites\/23\/2026\/06\/Malbork3.jpeg","thumbnail_width":1170,"thumbnail_height":780,"description":"Pracht en praal van Poolse kastelen en paleizen Polen is een land vol verborgen schatten, waar geschiedenis, architectuur en romantiek samenkomen in indrukwekkende kastelen, elegante paleizen en sfeervolle landhuizen. Verspreid over het hele land bevinden zich meer dan 400 kastelen en naar schatting enkele duizenden paleizen en adellijke residenties. De exacte aantallen verschillen per bron [&hellip;]"}