Austria, Vienna, Schonnbrunn Palace.

Austria, Vienna, Schonnbrunn Palace.

Austria, Vienna, Schonnbrunn Palace.

Austria, Vienna, Statue in the gardens of the Schonnbrunn Palace.

Austria, Vienna, Neptune Fountain at Schonnbrunn Palace.

Austria, Vienna, Detail from the Neptune Fountain with the Schonnbrunn Palace in the background.

Austria, Vienna, Sculpted figures above the entrance to St Michaels Church.

Austria, Vienna, Statue of Johann Strauss in the Stadt Park.

Austria, Vienna, Statue of Johann Strauss in the Stadt Park.

Austria, Vienna, Statue of Johann Strauss in the Stadt Park.

USA, New York City, Manhattan, Clock and Hercules, Mercury and Minerva sculptures, Grand Central Terminal Railway Station.

USA, New York City, Manhattan, Columbus Monument and Trump Tower Hotel, Columbus Circle.

USA, New York City, Manhattan, Prometheus statue, Rockefeller Center Plaza.

USA, New York City, Manhattan, Maine Monument, outside Merchant's Gate, Central Park.

USA, New York City, Manhattan, New York Fire Department Memorial Wall, Engine 10, Ladder 10, World Trade Center.

USA, New York City, Manhattan, One of the two waterfalls at National September 11 Memorial, World Trade Center.

USA, New York City, Manhattan, One of the two waterfalls at National September 11 Memorial, World Trade Center.

USA, New York City, Manhattan, Four World Trade Center also known as Tower 4 and 150 Greenwich Street.

USA, New York City, Manhattan, One of the two waterfalls at National September 11 Memorial, World Trade Center.

USA, New York City, Manhattan, One of the two waterfalls at National September 11 Memorial, World Trade Center.

USA, New York City, Manhattan, One of the two waterfalls at National September 11 Memorial, World Trade Center.

USA, New York City, Manhattan, GE Building and The Maiden, one of the Mankind Figures, Rockefeller Center.