concrete

The Wolf’s Lair

This Nazi ruin was the site where Hitler was almost blown up by a suitcase bomb.

Gulliver’s Travels Park

The park was built next to Mount Fuji near Aokigahara - Japan’s famous ‘suicide forest’ - and close to the former headquarters of Aum Shinrikyo, the religious cult responsible for 13 deaths in the Tokyo sarin nerve gas attack of 1995.

Barbados HARP Gun

The Barbados HARP Gun, was part of Project HARP, short for High Altitude Research Project, which was a joint project of the United States Department of Defense and Canada's Department of National Defence created with the goal of studying ballistics of re-entry vehicles at low cost; whereas most such projects used expensive and failure-prone rockets, HARP used a non-rocket spacelaunch method based on a very large gun to fire the models to high altitudes and speeds.