A popular day stop for the Baltic Cruises is Tallinn. Wait, what???!!! Tallinn what? Where and what is this place you call Tallinn? I get it. A lot of people (myself included) have never heard of Tallinn and you know what – that’s almost criminal. Tallinn was first recorded on a world map in 1154 and is now the largest city and capital of Estonia. It should be your next must-see destination. (See it here on a map) A medieval, walled-city, this place is full of history, charm and ghosts! Yep, ghosts. At its historical heart is Toompea, covered in ankle-twisting cobbled lanes, lined with medieval houses and surrounded by guard towers and Gothic spires. The old…