From the ancient Wall of Tarragona, history expert and university professor Joan Martínez Manent tells us the story of the construction of this Roman structure, which coincided with the birth of the city of Tarragona.

Professor Joan Martínez Manent continues to share with us details about Tarragona, this time showing us the ancient Roman aqueduct that was built in the first century A.D. and fulfilled a variety of important functions for the ancient city.

This time, we'll discover with Joan Martínez Manent some interesting details about the Roman history of the current Spanish city of Tarragona.

This time, Joan Martínez Manent speaks to us from one of the most important buildings in the ancient city of Tarragona: the Roman circus.

The Ideas Club explores the Great Mosque of Córdoba in Córdoba, Spain, one of the world's most significant examples of Muslim architecture and declared by UNESCO as a World Heritage Site.

Marta takes us to one of Madrid's most emblematic buildings: the Royal Palace. Although no one lives there today as they did in the past, its impressive exterior and interior are open to the public.

Let's hear who the first monarch to live in the Royal Palace of Madrid was and what he had to do with the now famous Doña Manolita shop located in the city's downtown.

Rabbi Shloime offers us some insight into the origins and significance of the Hanukkah tradition.

Many Latin American countries celebrate the Novena of Aguinaldos, a nine-day, Catholic-based holiday that includes music, food and prayer. Grace Pinzon, a Colombian woman living in Florida, shares with us how the novena is celebrated there.

Guided by Fermin, we immerse ourselves in San Sebastian's biggest and most lively celebration: the Tamborrada [Drum Parade], learning about its origins and how this twenty-four-hour party is celebrated.

Cristina talks to us about the "Diablada Pillareña" [Pillaro Dance of the Devils], a popular annual celebration in Pillaro, Ecuador that has been deemed Intangible Cultural Heritage of Humanity by UNESCO.

Luis Moya, one of the Pillaro "devils" during the famed "Pillaro Dance of the Devils" celebration, gives us some insight into the significance behind some of its most important characters.

Europea Abierta informs us about the European space program as well as its 2011 award for journalistic excellence.

Guillermo the shaman, an expert in Mayan cosmology, explains the origin of and symbolism behind the Mayan word "chamamán" as well as some other interesting aspects of their belief system.

Guillermo gives us an in-depth explanation of the manner in which Maya ceremonies were used to welcome the seasons, each of which represented a unique consciousness.