Iraq

Shrine of Hussain (may Allah be pleased with him)

This is the resting place of Hussain (may Allah be pleased with him) in Karbala. He was the son of Ali (may Allah be pleased with him) and the grandson of the Prophet Muhammed (peace and blessings of Allah be on him). 
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Karbala

Karbala is the location of a battle fought in 61 AH between a small group of supporters and relatives of Hussain bin Ali (may Allah be pleased with him) and a much larger force of Yazid I, the Umayyad caliph.
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Tomb of Prophet Uzair (upon him be peace)

This is believed to be the location of the grave of Prophet Uzair [Ezra] (upon him be peace). It is in the Amarah province in Iraq.