Barcelona, Spain

Plaza de Catalonia

http://www.aviewoncities.com/barcelona/placadecatalunya.htm

Old Gothic Quarter

http://www.barcelona-tourist-guide.com/en/areas/gothic-quarter-barcelona.html

Montjuic Park (Site of 1992 Olympics)

http://www.whatbarcelona.com/montjuic-park-barcelona.html

Antonio Gaudi's Sagrada Familia

http://www.sagradafamilia.cat/

Antonio Gaudi's Guell Park

http://www.barcelona-tourist-guide.com/en/gaudi/park-guell.html