Dublin may not be the cheapest destination in Europe but don’t let that stop you; some of the best stuff to see and do is completely free. From walking tours to tranquil gardens and Oscar Wilde to Samuel Beckett, here’s our guide to enjoying Ireland’s capital without reaching for your bank card. Grand Canal docks in Dublin at sunrise © Madrugada Verde / Shutterstock 1. Trinity College It costs nothing to amble around the cobbled grounds of Trinity College, Ireland’s foremost university, following in the footsteps of famous alumni such as Samuel Beckett, Bram Stoker and Jonathan Swift. You can admire the elegant courtyards and neoclassical architecture and, weather-permitting, stretch out on the cricket grounds outside the Pavilion Bar for nothing. 2. National Museum of Ireland – Archaeology History buffs will love the collection of Celtic and medieval treasures housed in the National Museum. Its most famous artefacts are the…