We knew that a cadre of famed Japanese architects were... unhappy with Zaha Hadid's design for the 2020 Olympic Stadium in Tokyo. But we didn't quite realize how pissed they really are: A petition to stop the project, started by Pritzker Prize-winning architect Tokyo Ito, already has nearly 14,000 signatures.
Check out the sensual curves and dazzling sheen of the Guggenheim Museum in Bilbao, Spain, designed by architect Frank Gehry. It's the most significant work of architecture in the past 30 years, according to experts. Check out some others below.