U Fleku
Prague's oldest and most famous beer hall. Records show that a license to make beer goes back to 1499. U Fleku doesn't export or even bottle their pivo and the only place to get it is here.
Being famously not a beer drinker I had potato soup instead. It was good.
The waiters wander through the restaurant with these impossibly heavy trays just dropping beers off wherever there is an empty glass or lonely coaster.
You can't see him well, but we even had an accordion player wandering through the crowd playing and singing.