Spanish Language and Culture: A great website created by Professor Nelson at Colby College. The site contains auto-corrected exercises designed for intermediate-level students, as well as interesting and educational cultural presentations.
LANIC: The Latin American Network Information Center provides a directory of regional media outlets in Latin America, which are organized by country.
Radio y Televisión Española: The website for Spain's state-run radio and television channels. Watch current TV shows, including popular Spanish series ranging from sitcoms to documentaries.
COERLL: The University of Texas at Austin's Center for Open Educational Resources and Language Learning provides a directory of cultural materials, as well as Spanish language learning resources.