Landmarks of the world

When was Big Ben first set up?

How tall is the largest "sail" on the Sydney Opera House?

When did the construction for the Leaning Tower of Pisa start?

What was the cost of building the Golden Gate Bridge?

What are Easter Island's giant statues called?

What is another name of Christ the Redeemer?

Who designed Brandenburg Gate?

How many steps does El Castillo have?

How many steps to the top of Tower Bridge?

Which two types of stones did the Washington Monument use?

Approximately how many people visit the Eiffel tower every year?