Buzludzha monument
http://assets.atlasobscura.com/media/BAhbCVsHOgZmSSJGdXBsb2Fkcy9wbGFjZV9pbWFnZXMvMTA4MDgzOGQ0NGFiOWIzYmIyMWY3NmRmMmRiMjkwY2JiYmY1YTZkNi5qcGcGOgZFVFsIOgZwOgp0aHVtYkkiCng0MDA+BjsGVFsHOwc6CnN0cmlwWwk7BzoMY29udmVydEkiEC1xdWFsaXR5IDkxBjsGVDA/image.jpg http://humanplanet.com/timothyallen/wp-content/gallery/buzludja/bulgaria-timothy-allen-01.jpg