Top 5 most famous buildings in the world

Sydney Opera House

Location: Sydney, Australia

When was it built: March 2,1959

Who built it: Jørn Utzon

Why it's famous: is a multi-venue performing arts centre in Sydney.

Burj Khalifa

Location: Dubai- UAE

When was it built: January 6, 2004

Who built it: Bill Baker

Why it's famous: the tallest freestanding structure in the world

Leaning Tower of Pisa

Location: Pisa PI, Italy

When was it built: August 9, 1173

settling of its foundations, which caused it to lean 5.5 degrees

Who built it: Diotisalvi

Eiffel Tower

Location Paris, France

When was it built: January 28, 1887

Why it's famous: commemorate the centennial of the French Revolution

Who built it: Stephen Sauvestre

Statue of Liberty

Location: New York, United States

When was it built: September 1875

Who built it: Frédéric Auguste Bartholdi

Why it's famous: the freedom and the democracy of the United States.