What do you HAVE to DO in Budapest as a first-time visitor

I’ve visited Budapest three times. Twice in wintertime and once for a couple of hours on a hot September day on my way to Bratislava. So basically my experience of Budapest is a Budapest decorated with Christmas lights and smelling of mulled wine and sweets. I loved exploring the Christmas markets in Budapest and eating… Read More What do you HAVE to DO in Budapest as a first-time visitor