Colombia

the Republic of Colombia, is a unitary constitutional republic comprising thirty-two departments. The territory of what is now Colombia was originally inhabited by indigenous people including the Muisca, Quimbaya, and Tairona The Spanish arrived in 1499 and initiated a period of conquest and colonization ultimately creating the Viceroyalty of New Granada (comprising modern-day Colombia, Venezuela, Ecuador, Brazil and Panama), with its capital is at Bogotá. Independence from Spain was won in 1819, but by 1830 “Gran Colombia" had collapsed with the secession of Venezuela and Ecuador. What is now Colombia and Panama emerged as the Republic of New Granada. 
Here you can find Colombia's anthem: http://www.youtube.com/watch?v=M1IuubJgSu8&feature=fvst

Bogotá

is the capital, and largest city, of Colombia. It is also designated by the national constitution as the capital of the department of Cundinamarca, even though the city of Bogotá now comprises an independent Capital district and no longer belongs administratively to that department. Bogotá is the most populous city in the country, with 6,840,116 inhabitants as of 2005. Bogotá and its metropolitan area, which includes municipalities such as Chía, Cota, Soacha, Cajicá and La Calera. 

Here you can find Bogotá's anthem: http://www.youtube.com/watch?v=M9Zx2XUXVXw

Museo del Oro

The Gold Museum's permanent exhibition invites you to discover the history of how gold and other metals were used by the pre-Hispanic societies who lived in the land today known as Colombia. It is displayed in four exhibition galleries and an exploration area, all of which you can visit in whatever order you prefer:

•The Working of Metals

• People and Gold in Pre-Hispanic Colombia

• Cosmology and Symbolism

• The Offering