Bombed and burned, this monument represents the often controversial ties between Vietnam and Cambodia.

Hundreds of stones dangle from barren trees in the middle of the desert.

Located at the former Lorton Prison the Lucy Burns Museum tells the story of the 91 year history of the prison including the dark chapter of its involvement in the women's suffrage movement.

A memorial to the monk who set himself on fire to protest the persecution of Buddhists in Vietnam.

This North Carolina store preserves a historic moment in America's movement for racial equality.

A tribute to an iconic act of defiance from the Croatian War of Independence involving a small car.

A symbol for the opposition to nuclear power around the world.

The headquarters of Pakistan's first press club remains a haven for debate and discussion.

A statue commemorate Tommie Smith and John Carlos's brave protest at the 1968 Olympics, a watershed moment for civil rights.

The scars of a remarkably organized public protest to save 13 elm trees are still visible in this Stockholm park.