After four wonderful days exploring Madrid, I boarded an overnight train to Lisbon, eager to get to the city I fell in love with from a travel show. Arriving in Portugal, I was tired but energized, anxious to soak up another new location and culture for four days before heading back to Madrid and then back to the states. Day One My train pulled into Lisbon at just around 8a on Sunday morning, and I emerged from the train station to a city unlike anything I anticipated. From the first few moments, walking out into a massive traffic circle with a statue at the center surrounded by generations-old buildings, I…