Brain coral with colorful sea sponges and tropical fish in the Caribbean sea

Central Park aerial view, Manhattan, New York; Park is surrounded by skyscraper

Chateau Frontenac at dusk in Quebec City with street

Niagra Falls, Canada - august 10, 2013:people and tourists can stroll through the streets of Niagara in Canada. you can see the casino and the hotel sheradon in a sunny…

Grand Central along 42nd Street at dusk, New York City

The composition of flowers in Halifax city public gardens (Nova Scotia, Canada).

Historic Clock Tower in Halifax. Halifax, Nova Scotia, Canada.

Horse carriages waiting for customers at the central park in New York City

Manhattan Bridge and the New York skyline before sunset

Mayan ruins and beautiful Caribbean coast in Tulum Mexico

New York cityscape at Columbus Circle in Manhattan.

Niagra Falls, Canada - august 9, 2013:amusement park with Ferris wheel, City of Niagara, Canada.The city is full of tourist attractions and places of entertainment for young and old

The view of the Horseshoe Fall, Niagara Falls, Ontario, Canada

The view of the Horseshoe Fall, Niagara Falls, Ontario, Canada

The view of the Horseshoe Fall, Niagara Falls, Ontario, Canada

Niagara Falls lit at night by colorful lights with fireworks

Niagara Falls, Canada - October 14, 2013: View of Niagara Falls in a sunny day in autumn in Canada on October 14, 2013.

Old town clock.

Quebec City skyline with Chateau Frontenac at sunset viewed from hill

Stockholm, Sweden

NEW YORK CITY - CIRCA JULY 2012: Yellow taxi cabs crossing Times Square with crowds of people and lots of advertising on July, 2012 in Manhattan, New York City. USA

NEW YORK CITY - MAY 11: Times Square with tourists on May 11, 2013. Iconified as "The Crossroads of the World" it's the brightly illuminated hub of the Broadway Theater…

New York City at Union Square in Manhattan.

NIAGARA FALLS,CANADA-APRIL 18, 2014: Niagara Falls city is a Canadian city on the western bank of the Niagara River. The city has many business and entertaiment options design for tourism.