While the crew enjoyed the port town at sea level, the strongest man on earth preferred to admire Barcelona from above, choosing the hilltop of Montjuic, which overlooks the city, for its magnificent views.

FORBES: Overview

Keith Jochim's sweating, jowly Nixon reels around the sort of manic options open to the most powerful man on earth, from nukes to coups.

BBC: Nixon's final hours

The award would be presented to each crewmember from all 12 three-man Apollo missions, including the Apollo 7 and 9 Earth-orbit flights as well as the Apollo 1 crew, which perished in a launch pad fire in 1967.

CNN: House approves moon rock giveaway to Apollo survivors

Among the treasures exhibited are the 1972 Ziggy Stardust bodysuits designed by Freddie Burretti, photography by Brian Duffy, album sleeve artwork by Guy Peellaert and Edward Bell, visual excerpts from live performances and films including The Man Who Fell to Earth, music videos like the Boys Keep Swinging, and set designs created for the 1974 Diamond Dogs tour.

FORBES: 'David Bowie Is': A Hit Before It Even Opens

It is a crudely drawn yet beautifully rendered story of a man and a girl who find peace living in the treetops, away from darkness of the earth.

FORBES: Reading: The Book Thief

In 1962, the Mariner II space probe began sending back to Earth man's first information from another planet, Venus.

CNN: Monday,