The port city of Valencia lies on Spain’s south eastern coast, where the Turia River meets the Mediterranean Sea. It’s known for its City of Arts and Sciences, with futuristic structures including a planetarium, an oceanarium and an interactive museum. Valencia also has several beaches, including some within nearby Albufera Park, a wetlands reserve with a lake and walking trails. Valencia was founded as a Roman colony by the consul Decimus Junius Brutus Callaicus in 138 BC, and called Valentia Edetanorum. The city is situated on the banks of the Turia, on the east coast of the Iberian Peninsula, fronting the Gulf of Valencia on the Mediterranean Sea. Its historic centre is one of the largest in Spain, with approximately 169 ha (420 acres) this heritage of ancient monuments, views and cultural attractions makes Valencia one of the country's most popular tourist destinations. Valencia has a subtropical Mediterranean climate with short, very mild winters and long, hot and dry summers. Its average annual temperature is 18.4 °C (65.1 °F); 23.0 °C (73.4 °F) during the day and 13.8 °C (56.8 °F) at night. In the coldest month, January, the maximum temperature typically during the day ranges from 14 to 21 °C (57 to 70 °F), the minimum temperature typically at night ranges from 5 to 11 °C (41 to 52 °F). The ancient winding streets of the Barrio del Carmen contain buildings dating to Roman and Arabic times. The Cathedral, built between the 13th and 15th centuries, is primarily of Valencian Gothic style but contains elements of Baroque and Romanesque architecture. The 15th century Serrans and Quart towers are part of what was once the wall surrounding the city. UNESCO has recognised the Silk Exchange market erected in early Valencian Gothic style, as a World Heritage Site. The Central Market (Mercat Central) in Valencian Art Nouveau style, is one of the largest in Europe. The main railway station Estació Del Nord is built in Valencian Art Nouveau (a Spanish version of Art Nouveau) style.World-renowned (and city-born) architect Santiago Calatrava produced the futuristic City of Arts and Sciences (Ciutat de les Arts i les Ciències), which contains an opera house/performing arts centre, a science museum, an IMAX cinema/planetarium, an oceanographic park and other structures such as a long covered walkway and restaurants. Calatrava is also responsible for the bridge named after him in the centre of the city. The Music Palace is another noteworthy example of modern architecture in Valencia.