Mountaineers’ ice axe used by NKVD agent Ramón Mercader to kill Trotsky after he defected to the West. Rust has formed where Trotsky’s blood remained on the instrument.

Mountaineers’ ice axe used by NKVD agent Ramón Mercader to kill Trotsky after he defected to the West. Rust has formed where Trotsky’s blood remained on the instrument.

Wreck of Do-17Z’s shot down on August 26, 1940. It’s ther only surviving Nazi ‘Flying Pencil’

Wreck of Do-17Z’s shot down on August 26, 1940. It’s ther only surviving Nazi ‘Flying Pencil’

Personal Mosin–Nagant of famous russian sniper, Vasily Zaytsev from the Battle of Stalingrad.

Personal Mosin–Nagant of famous russian sniper, Vasily Zaytsev from the Battle of Stalingrad.

Auschwitz-Birkenau: Pond where ashes of gassed gictims were buried by Germans- Near Crematorium IV. 1940-1945

Auschwitz-Birkenau: Pond where ashes of gassed gictims were buried by Germans- Near Crematorium IV. 1940-1945

Crushed Skull and Headdress from Ur of queen/princess Pu’Abi’s female attendants. Early dynastic period, circa 2600 BCE. From Ur, Mesopotamia, Iraq

Crushed Skull and Headdress from Ur of queen/princess Pu’Abi’s female attendants. Early dynastic period, circa 2600 BCE. From Ur, Mesopotamia, Iraq

The Black Obelisk of King Shalmaneser III, 825 BC. It is the most complete Assyrian obelisk yet discovered, and it is historically significant because it is thought to display the earliest ancient depiction of a biblical figure - Jehu King of Israel.

The Black Obelisk of King Shalmaneser III, 825 BC. It is the most complete Assyrian obelisk yet discovered, and it is historically significant because it is thought to display the earliest ancient depiction of a biblical figure - Jehu King of Israel.

Grotto of the Virgin, including the crown of the Byzantine emperor Leo VI the Wise, 9th century AD

Grotto of the Virgin, including the crown of the Byzantine emperor Leo VI the Wise, 9th century AD