ORGANIC ORIENTE STATION

Like much of Calatrava's architecture which suggests organic or natural shapes, the wave-like forms of the entrance to the Oriente station allude to the nearby sea.

Location: Lisbon, Portugal

VASCO DA GAMA

This dramatic statue that looks like a prow of a ship along the Tagus River, commemorates Vasco da Gama, the famous 15th-century explorer who found the sea route to India, thereby leading Portugal to riches and making it a dominant power in the lucrative spice trade.

THE HILLS OF LISBON

This from a high vantage point above the Elevador de Santa Justa where you can see one of the seven hills that make up the city. Sitting on this hill in the far distance is the Castelo de Sao Jorge, a Moorish castle built atop an old Roman fort.

Location: Lisbon, Portugal