Tram in front of the Lviv City Council building, Lviv, UNESCO World Heritage Site, Ukraine, Europe

Beach bar at Danube Riverwalk, Chain Bridge, Budapest, Hungary, Europe

Paddy's Markets, Haymarket, Sydney, New South Wales, Australia, Pacific

People sledging and enjoying the snow, Borovets Ski Resort, Bulgaria, Europe

Couple posing in the street, Old Walled-in City, Cartagena, Colombia, South America

Tourists and signs on the main strip at this busy south coast of Nicoya Peninsula resort, Santa Teresa, Puntarenas, Costa Rica, Central America

Historic Pleasure Pier, Galveston, Texas, United States of America, North America

Higgs beach, Key West, Florida, United States of America, North America

View of the beach in Bonete, Ilhabela Island, State of Sao Paulo, Brazil, South America

View of Copacabana Beach, Rio de Janeiro, Brazil, South America

Damnoen Saduak Floating Markets, Bangkok, Thailand, Southeast Asia, Asia

Brandenburg Gate (Brandenburger Tor) at sunset, Platz des 18 Marz, TV Tower, Berlin Mitte, Berlin, Germany, Europe

Doorway in the Ballroom, Catherine Palace, UNESCO World Heritage Site, Pushkin, near St. Petersburg, Russia, Europe

The Jordan Staircase, interior of the Winter Palace, State Hermitage Museum, UNESCO World Heritage Site, St. Petersburg, Russia, Europe

Interior of the Winter Palace, State Hermitage Museum, UNESCO World Heritage Site, St. Petersburg, Russia, Europe

Lifeguard stationed at Barcelona beach of Barceloneta, Barcelona, Catalonia (Catalunya), Spain, Europe

La Sagrada Familia church, basilica interior with stained glass windows by Antoni Gaudi, UNESCO World Heritage Site, Barcelona, Catalonia (Catalunya), Spain, Europe

Entrance lodge to Parc Guell designed by Antoni Gaudi, UNESCO World Heritage Site, with a skyline view of the city of Barcelona, Catalonia (Catalunya), Spain, Europe

Pavement cafe restaurant on La Rambla (Las Ramblas) boulevard the promenade through Barcelona, Catalonia (Catalunya), Spain, Europe

People sunbathing on Barcelona beach, Barceloneta, Barcelona, Catalonia (Catalunya), Spain, Europe

Outside the entrance to the Apartheid Museum showing the old whites and non-whites signs from apartheid era, Johannesburg, South Africa, Africa

Locals taking part in the Resurrection Parade on Easter Sunday, Malaga, Costa del Sol, Andalusia, Spain, Europe

Locals taking part in the Resurrection Parade on Easter Sunday, Malaga, Costa del Sol, Andalusia, Spain, Europe

Salina Turda, underground salt mine tourist attraction in Turda city, Romania, Europe

Rudolf Mine in Salina Turda salt mine in Turda city, Romania, Europe

Rudolf Mine in Salina Turda salt mine in Turda city, Romania, Europe

Elephant Sanctuary, Mondulkiri, Cambodia, Indochina, Southeast Asia, Asia

St. Paul's and London skyline, London, England, United Kingdom, Europe

Anse Severe beach, La Digue, Republic of Seychelles, Indian Ocean, Africa

Historic Beer Hall called Schwemme at Hofbraeuhaus, Munich, Bavaria, Germany, Europe

The Dome by Norman Foster, Reichstag Parliament Building, Berlin, Germany, Europe

Reggia di Caserta, Caserta, Campania, Italy, Europe

Salon, Reggia di Caserta, Caserta, Campania, Italy, Europe

The Dome by Norman Foster, Reichstag Parliament Building, Berlin, Germany, Europe

The Dome by Norman Foster, Reichstag Parliament Building, Berlin, Germany, Europe

The Dome by Norman Foster, Reichstag Parliament Building, Berlin, Germany, Europe

People in the spiral ramp inside the Round Tower (Rundetaarn), Copenhagen, Denmark, Europe

Children look at walruses of the past from the glass window, Zoological Museum, University of Copenhagen, Denmark, Europe

Tourist on top of Bukit Tabur Mountain overlooking Klang Gates Dam, Kuala Lumpur, Malaysia, Southeast Asia, Asia

Tourist on Bukit Tabur Mountain at sunrise, Kuala Lumpur, Malaysia, Southeast Asia, Asia

Confeitaria Colombo, Art Nouveau architecture inside the traditional confectioner and restaurant in downtown Rio de Janeiro, Brazil, South America

Confeitaria Colombo, Art Nouveau architecture inside the traditional confectioner and restaurant in downtown Rio de Janeiro, Brazil, South America

Man and woman embraced look at the bell tower, San Romerio Alp, Brusio, Poschiavo Valley, Canton of Graubunden, Switzerland, Europe

Highly decorated shop, Porto (Oporto), Portugal, Europe

Majestic Cafe, Porto (Oporto), Portugal, Europe

Busy beach in Juan les Pins, Cote d'Azur, Provence, France, Mediterranean, Europe

Young skier skiing down The Chute and Mount Hotham Village, Mount Hotham, Victoria, Australia, Pacific

Street tango dancer hamming it up with tourists outside a bar on the corner of El Caminito, La Boca, Buenos Aires, Argentina, South America

Young skier skiing The Chute, Mount Hotham, Victoria, Australia, Pacific

Wild Galapagos giant tortoise (Geochelone elephantopus), with tourists on Santa Cruz Island, Galapagos, UNESCO World Heritage Site, Ecuador, South America

Tourists admire the Diavolezza and Pers glaciers and Piz Palu, St. Moritz, canton of Graubunden, Engadine, Switzerland, Europe

Spiral staircase, Vatican Museum, Rome, Lazio, Italy, Europe

Orsay Museum (Musee d'Orsay), Paris, France, Europe

Room interior, Uros Titicaca Lodge, Uros Floating Islands, Lake Titicaca, Puno Region, Peru, South America

Clare Bridge in the Backs on an autumn day. Cambridge University, Cambridge, Cambridgeshire, England, United Kingdom, Europe

Old Town, Cartegena, Colombia, South America

Casa Batllo, UNESCO World Heritage Site, Barcelona, Catalonia, Spain, Europe

Casa Batllo, UNESCO World Heritage Site, Barcelona, Catalonia, Spain, Europe

Aquarium, Barcelona, Catalonia, Spain, Europe

Aquarium, Barcelona, Catalonia, Spain, Europe

Tourists enjoying sunset at the lighthouse at Cabo de Sao Vicente, Sagres, Algarve, Portugal, Europe

Cartagena City Hall, Cartagena, Murcia, Spain, Europe

Achilleion Palace, old town of Corfu, Ionian Islands, Greek Islands, Greece, Europe

Summer crowds on the popular surf beach at Mimizan, south west of Bordeaux, Mimizan-Plage, Landes, Nouvelle-Aquitaine, France, Europe

Souk, Market, Medina, UNESCO World Heritage Site, Marrakesh (Marrakech), Morocco, North Africa, Africa

Entrance to Ville Close, Concarneau, Brittany, France, Europe

Entrance to Ville Close, Concarneau, Brittany, France, Europe

The Banda da Conceicao street carnival troupe in Rio de Janeiro Carnival, Rio de Janeiro, Brazil, South America

Via dell'Abbondanza, the main ancient city street with stones and house numbering, Pompeii, UNESCO World Heritage Site, Campania, Italy, Europe

Atlantis, The Palm, a luxury hotel on the man-made Palm Jumeirah island, Dubai, United Arab Emirates, Middle East

The Gold Souk, Al Ras, Deira, Dubai, United Arab Emirates, Middle East

Atlantis, The Palm, a luxury hotel on the man-made Palm Jumeirah island, Dubai, United Arab Emirates, Middle East

The Gold Souk, Al Ras, Deira, Dubai, United Arab Emirates, Middle East

Fashion Avenue in Dubai Mall, the World's largest shopping mall, Dubai, United Arab Emirates, Middle East

Fashion Avenue in Dubai Mall, the World's largest shopping mall, Dubai, United Arab Emirates, Middle East

Tourists walk in the snow near the astronomical observatory of Gornergrat, Zermatt, Canton of Valais (Wallis), Switzerland, Europe

Jameos del Agua lava tunnel formed in a museum of Cesar Manrique, Lanzarote, Canary Islands, Spain, Atlantic, Europe

Jameos del Agua lava tunnel formed in a museum of Cesar Manrique, Lanzarote, Canary Islands, Spain, Atlantic, Europe

Volcano House, Cesar Manrique Foundation, Tahiche, Lanzarote, Canary Islands, Spain, Atlantic, Europe

Terme Stabiane interior. 2nd century BC thermal complex, Stabian Baths, with columns at porticoed gym area, Pompeii, UNESCO World Heritage Site, Campania, Italy, Europe

Relaxing at the Conrad Maldives Rangali Island over water yoga studio, Maldives, Indian Ocean, Asia

Views from Ithaa, the undersea restaurant at Conrad Maldives, Maldives, Indian Ocean, Asia

Beautiful scenery at Conrad Maldives Rangali Island, Maldives, Indian Ocean, Asia

Scenic at Maldives Island with model, Maldives, Indian Ocean, Asia

Views from Ithaa, the undersea restaurant at Conrad Maldives, Maldives, Indian Ocean, Asia

Beautiful scenery at Conrad Maldives Rangali Island, Maldives, Indian Ocean, Asia

Views from Ithaa, the undersea restaurant at Conrad Maldives, Maldives, Indian Ocean, Asia

Views from Ithaa, the undersea restaurant at Conrad Maldives, Maldives, Indian Ocean, Asia

Model and Buddhist stupas in the ruins of the ancient kingdom of Sri Lanka, Anuradhapura, UNESCO World Heritage Site, Sri Lanka, Asia

Lifeguard on an observation chair at a crowded Mediterranean sandy beach, Barcelona Beach, Catalonia, Spain, Europe

Palm trees and pedestrian zone promenade with modern art and skyscrapers in the background by waterfront, Barcelona Beach, Catalonia, Spain, Europe

Water bus and gondola on the Grand Canal with the Rialto Bridge in the background, Venice, UNESCO World Heritage Site, Veneto, Italy, Europe

Hands, Grand Canal, Venice, UNESCO World Heritage Site, Veneto, Italy, Europe

View of old town restaurants on sunny spring day, Funchal, Madeira, Portugal, Europe

People walk on promenade, Miami Beach, Florida, United States of America, North America

Neal's Yard, Covent Garden, London, England, United Kingdom, Europe

Neal's Yard, Covent Garden, London, England, United Kingdom, Europe

Milan Railway station facade with artwork of The Reintegraded Apple sculpture outside Milano Centrale at Piazza Duca dAosta, Milan, Lombardy, Italy, Europe

Interior view of Caesars Palace Hotel and Casino, Las Vegas, Nevada, United States of America, North America

Golden Nugget Casino and neon lights on the Fremont Street Experience at dusk, Downtown, Las Vegas, Nevada, United States of America, North America