The California city is great for a visit any time of year.

Chiang Mai, in northern Thailand, offers rich culture and natural beauty.

Portugal's capital city is famous for its trams; the wires for the tram cut across the sky around the city.

Sydney is world famous for its opera house, but the largest city in Australia has much more to offer.

Budapest, Hungary is one of the largest cities in the European Union.

Thailand's capital offers amazing culinary experiences for travelers.

A view of Cape Town, South Africa at night.

The windy city has comedy, sports and more art than you can fit into one trip.

Dubai is home to the Burj Khalifa, the world's tallest building.

A view of the canals in St. Petersburg, Russia.

An aerial view of the beach in Barcelona. A visit to the Spanish coastal city isn't complete without a trip to Park Guell.

This view of Buenos Aires includes the Plaza Fuerza Aérea Argentina with the Torre Monumental in the foreground. The Argentinian capital has a rich cultural history.

Florence, Italy, is the second-highest Italian city in the rankings for 2014.

The Big Apple was the top-ranked city in the United States.

New Year's fireworks go off in Berlin, Germany, on Jan. 1, 2013.

Shanghai is the largest city in China.

The ruins of Angkor Wat in Siem Reap, Cambodia make for an unforgettable trip.

Hanoi, the capital of Vietnam, has more than 600 temples and pagodas.

This is the Promenade in Paris, France, on Dec. 29, 2011.

Marrakech, Morocco is known as the "Red City" because of its abundant use of red sandstone in local architecture. The city is pictured here in 2007.

This is the Prague National Theatre in the Czech Republic.

The Forbidden City in Beijing was the imperial palace in China from the Ming dynasty to the end of the Qing dynasty.

This photo of London's Tower Bridge was taken from the North Bank of River Thames at dawn.

The Italian city is a classic destination.

Istanbul, Turkey is a destination travelers say they can't wait to return to.