You can easily miss the entrance to my Barcelona hostel. The train ride costs only 2.15 Euros, ends at Placa Catalunya and I march up the stairs to join the throngs marching down La Rambla, Barcelona's most famous street. It's dusk on a cooler than usual but dry Thursday in late April and there's energy in the air. A lot of people … Continue reading 3 Nights in Barcelona! Sleep Optional.