Hopping back and forth between beautiful palaces, villas and castles that Sintra has makes for a great day. That said, you'll need both stamina and sturdy pair of shoes, as the area is very hilly.

Distance from Lisbon: 20 miles/32 km Approximate travel time: 1 hr Sintra is one of the most popular day trips from Lisbon. This historic town is on the edge of the beautiful Sintra-Cascais ...