I first became aware of the Muslim desire to erase antiquities from the face of the Earth when the Taliban began destroying nearly 2,000 year old Buddha statues in 2001. The Taliban's war on Buddha continued when in 2007 they destroyed another 1,500 year old Buddha statue.
Today it was announced two more groups of Muslims have begun destroying ancient sites. In Mali, Islamists arrived armed to the teeth and began smashing 14th century tombs in Timbuktu. Earlier in the month they also destroyed other historic sites within Mali including the "end of the world gate". These Mali Islamists have vowed to continue destroying sites deemed World Heritage Sites.
Even scarier, now that the Muslim Brotherhood has found themselves in power in Egypt, they are calling for the destruction of the pyramids:
According to several reports in the Arabic media, prominent Muslim clerics have begun to call for the demolition of Egypt’s Great Pyramids–or, in the words of Saudi Sheikh Ali bin Said al-Rabi’i, those “symbols of paganism,” which Egypt’s Salafi party has long planned to cover with wax. Most recently, Bahrain’s “Sheikh of Sunni Sheikhs” and President of National Unity, Abd al-Latif al-Mahmoud, called on Egypt’s new president, Muhammad Morsi, to “destroy the Pyramids and accomplish what the Sahabi Amr bin al-As could not.”The Great Pyramid is the only one of the seven ancient wonders of the world that still exists.