view of the courtyard of the fisherman's bastion near the buda castle, palace complex on castle hill

budapest fisherman bastion halaszbastya courtyard hungary architecture building landmark tower castle old sky inside tourism travel europe buda view hill historic stone gothic famous fortress fort city hungarian exterior fishermen balcony blue destination balustrade urban varkerulet history stair medieval culture attraction fountain sightseeing european heritage wall facade architectural decorative historical fisherman's palace complex popular tourist