Can Duchamp's 'Fountain' be considered art?

An Unforgettable Act of Vandalism: Laszlo Toth's Attack on Michelangelo's Pietà.

Caravaggio in Trastevere (on a mailbox!)

Hans-Peter Feldmann at the Louisiana Museum of Modern Art: Bizarre Alterations

Yayoi Kusama at the Louisiana Museum of Modern Art: A Momentary Escape From Reality

Museo Canova Tadolini Serving Art and Food: What More Could You Possibly Want?