Shenandoah National Park in the Blue Ridge Mountains of Virginia (© Rachid Dahnoun/Tandem Stills + Motion)(Bing United States)

Shenandoah National Park in the Blue Ridge Mountains of Virginia (© Rachid Dahnoun/Tandem Stills + Motion)(Bing United States)

A marching band is reflected in the bell of a horn during the annual festival in Munich, Germany (© Joerg Koch/Getty Images)(Bing United States)

A marching band is reflected in the bell of a horn during the annual festival in Munich, Germany (© Joerg Koch/Getty Images)(Bing United States)

The Imagine Peace Tower near Reykjavik, Iceland, for the International Day of Peace (© Arctic Images/Alamy)(Bing United States)

The Imagine Peace Tower near Reykjavik, Iceland, for the International Day of Peace (© Arctic Images/Alamy)(Bing United States)

The Blackpool Tower Ballroom in Lancashire, England (© Dosfotos/Getty Images)(Bing United States)

The Blackpool Tower Ballroom in Lancashire, England (© Dosfotos/Getty Images)(Bing United States)

Driftwood ship on New Brighton Beach near Wallasey, England, for Talk Like a Pirate Day (© Phil Noble/Reuters)(Bing United States)

Driftwood ship on New Brighton Beach near Wallasey, England, for Talk Like a Pirate Day (© Phil Noble/Reuters)(Bing United States)

A red knot foraging on the Shetland Islands, Scotland (© Andrew Parkinson/Minden Pictures)(Bing United States)

A red knot foraging on the Shetland Islands, Scotland (© Andrew Parkinson/Minden Pictures)(Bing United States)

A view of the Statue of Liberty from Ellis Island, New York City (© jmeyersforeman/Alamy)(Bing United States)

A view of the Statue of Liberty from Ellis Island, New York City (© jmeyersforeman/Alamy)(Bing United States)

For Mexico's Independence Day, the Monumento a la Revolución in Mexico City (© Reinier Snijders/Getty Images)(Bing United States)

For Mexico's Independence Day, the Monumento a la Revolución in Mexico City (© Reinier Snijders/Getty Images)(Bing United States)

Gabriel Dawe's 'Plexus no. 36' at a Latino art exhibition in Denver. Hispanic Heritage Month begins today. (© Joe Amon/The Denver Post via Getty Images)(Bing United States)

Gabriel Dawe's 'Plexus no. 36' at a Latino art exhibition in Denver. Hispanic Heritage Month begins today. (© Joe Amon/The Denver Post via Getty Images)(Bing United States)

Black-browed albatrosses return to the Falkland Islands (© Cultura RM/Alamy)(Bing United States)

Black-browed albatrosses return to the Falkland Islands (© Cultura RM/Alamy)(Bing United States)

Vineyards in Burgundy, France (© Hans Strand/plainpicture)(Bing United States)

Vineyards in Burgundy, France (© Hans Strand/plainpicture)(Bing United States)

The Gustav Klimt exhibit at the new digital art center Atelier des Lumières in Paris, France (© Thierry Chesnot/Getty Images)(Bing United States)

The Gustav Klimt exhibit at the new digital art center Atelier des Lumières in Paris, France (© Thierry Chesnot/Getty Images)(Bing United States)

Inside the Oculus at the World Trade Center in Lower Manhattan (© Shannon Stapleton/Reuters)(Bing United States)

Inside the Oculus at the World Trade Center in Lower Manhattan (© Shannon Stapleton/Reuters)(Bing United States)

Honeycombs (© Heidi and Hans-Juergen Koch/Minden Pictures)(Bing United States)

Honeycombs (© Heidi and Hans-Juergen Koch/Minden Pictures)(Bing United States)

Toronto's Royal Ontario Museum. The Toronto International Film Festival is happening now. (© Ken Straiton/Aurora Photos)(Bing United States)

Toronto's Royal Ontario Museum. The Toronto International Film Festival is happening now. (© Ken Straiton/Aurora Photos)(Bing United States)

Trinity College Library in Dublin, Ireland (© Nigel Hicks/Robert Harding/Aurora Photos)(Bing United States)

Trinity College Library in Dublin, Ireland (© Nigel Hicks/Robert Harding/Aurora Photos)(Bing United States)

Brazilian pines in the Atlantic Forest for Brazil's Independence Day (© Ralph Clevenger/Getty Images)(Bing United States)

Brazilian pines in the Atlantic Forest for Brazil's Independence Day (© Ralph Clevenger/Getty Images)(Bing United States)

Northern rockhopper penguin on Gough Island in the South Atlantic (© Tui De Roy/Minden Pictures)(Bing United States)

Northern rockhopper penguin on Gough Island in the South Atlantic (© Tui De Roy/Minden Pictures)(Bing United States)

Sockeye salmon spawn in the Adams River in British Columbia, Canada (© Yva Momatiuk and John Eastcott/Minden Pictures)(Bing United States)

Sockeye salmon spawn in the Adams River in British Columbia, Canada (© Yva Momatiuk and John Eastcott/Minden Pictures)(Bing United States)

Hay bales in Tuscany, Italy (© Chris Ryan/plainpicture)(Bing United States)

Hay bales in Tuscany, Italy (© Chris Ryan/plainpicture)(Bing United States)

Hay bales in Tuscany, Italy (© Chris Ryan/plainpicture)(Bing United States)

Hay bales in Tuscany, Italy (© Chris Ryan/plainpicture)(Bing United States)

Happy Labor Day. Construction workers rest above 1930s Manhattan. (© Bettmann/Getty Images)(Bing United States)

Happy Labor Day. Construction workers rest above 1930s Manhattan. (© Bettmann/Getty Images)(Bing United States)

Boaters in historical dress row down the Grand Canal during the Regata Storica in Venice, Italy (© Alessandro Bianchi/Reuters)(Bing United States)

Boaters in historical dress row down the Grand Canal during the Regata Storica in Venice, Italy (© Alessandro Bianchi/Reuters)(Bing United States)

Boaters in historical dress row down the Grand Canal during the Regata Storica in Venice, Italy (© Alessandro Bianchi/Reuters)(Bing United States)

Boaters in historical dress row down the Grand Canal during the Regata Storica in Venice, Italy (© Alessandro Bianchi/Reuters)(Bing United States)

Dancers at the Braemar Gathering in Scotland. The festival takes place today. (© Jeff J Mitchell/Getty Images)(Bing United States)

Dancers at the Braemar Gathering in Scotland. The festival takes place today. (© Jeff J Mitchell/Getty Images)(Bing United States)

Close-up on a lawn bowling game (© Graham Turner/Alamy)(Bing United States)

Close-up on a lawn bowling game (© Graham Turner/Alamy)(Bing United States)