Seeburg Castle on Lake Brienz, Bernese Oberland, Iseltwald, Switzerland

People on First Cliff Walk with Eiger mountain in the background, First, Jungfrau Region, Bernese Oberland, Switzerland

Hotel on Aare River, Thun, Canton of Bern, Switzerland

Preveli Beach, high angle view, Rethymno, Crete, Greek Islands, Greece

Mother Church of the Assumption, Polignano a Mare, Bari, Apulia, Italy

Marquis Arch, Polignano a Mare, Bari, Apulia, Italy

Porta San Vito (San Vito Gate), Soleto, Lecce, Apulia, Salento, Italy

Church of Monte di Pieta, Barletta, Barletta-Andria-Trani, Apulia, Italy

De Monti Castle (Castello de Monti), Corigliano d'Otranto, Lecce, Salento, Apulia, Italy

De Monti Castle (Castello de Monti), Corigliano d'Otranto, Lecce, Salento, Apulia, Italy

De Monti Castle (Castello de Monti), Corigliano d'Otranto, Lecce, Salento, Apulia, Italy

Alcazar Gardens, Alcazar of Seville, UNESCO, Seville, Andalusia, Spain

Trulli, Rione Monti, UNESCO, Alberobello, Bari, Apulia, Italy

Flowers pots, Marzameni, Noto Valley, Sicily, Italy

Cliffside, beachgoers and umbrellas, Praia dos Pescadores (Fishermans Beach), Albufeira, Faro district, Algarve, Portugal

Red sandstone cliffs of Praia da Falesia, Albufeira District, Algarve, Portugal

Meia Praia, Alvor, Algrave, Portugal

Saint Nicholas chapel, Firopotamos, Milos Island, Cyclades Islands, Greek Islands, Greece, Europe

First Cliff Walk, Grindelwald, Jungfrau Region, Bernese Oberland, Switzerland

Scala dei Turchi, Agrigento, Sicily, Italy

Scala dei Turchi, Agrigento, Sicily, Italy

Cave of Poetry (Grotta della Poesia), Roca Vecchia, Lecce, Salento, Apulia, Italy

Torre Colimena (Colimena Tower), Manduria, Taranto, Apulia, Italy

Porta Napoli, Lecce, Salento, Apulia, Italy

Cathedral of San Salvatore, Aix-en-Provence, Bouches du Rhone, Provence-Alpes-Cote d'Azur, France

San Telmo Palace, Seville, Andalusia, Spain

Monastery of San Martín Pinario, Santiago de Compostela, Galicia, Spain

Roman ruins, southwest Cyprus

Trani, Barletta-Andria-Trani, Apulia, Italy

Coastline near Praia de Parasio beach, Caroveiro, Algrave, Portugal

Praia de Carvoeiro (Carvoeiro Beach), Carvoeiro, Algrave, Portugal

View of the Agios Konstantinos Church, Artemonas village, Apollonia, Sifnos Island, Cyclades, Greek Islands, Greece, Europe

Fort Bravo (Texas Hollywood), Tabernas, Almeria, Andalusia, Spain

Cave of Poetry (Grotta della Poesia), Roca Vecchia, Lecce, Salento, Apulia, Italy

Monopoli, Bari, Apulia, Italy

Castle of Charles V, Monopoli, Bari, Apulia, Italy

Church of Christ the King, Santa Maria di Leuca, Castrignano del Capo, Lecce, Salento, Apulia, Italy

Alcazaba, Roman theatre, Malaga, Andalusia, Spain

Mirador de San Nicolas, Islamic and Mudejar architecture, Alhambra, UNESCO, Granada, Andalusia, Spain

Torre Colimena, Colimena Tower, Manduria, Taranto, Apulia, Italy

Funchal, the capital city of the island of Madeira, Atlantic Ocean, Portugal

Junno District, Monte Sant'Angelo, Foggia, Apulia, Italy

Remains of the Tuna fishery plant, Vendicari, Noto Valley, Sicily, Italy

Cheetah (Acinonyx jubatus), Zimanga private game reserve, KwaZulu-Natal, South Africa, Africa

Polignano a Mare, Bari, Apulia, Italy

Locorotondo, Bari, Apulia, Italy

Coastal clifftop landscape view westwards at Ta' Cenc cliffs, island of Gozo, Malta, Mediterranean, Europe

Dubrovnik from the City Walls, UNESCO World Heritage Site, Dubrovnik, Croatia, Europe

Caerphilly Castle, Caerphilly, Gwent, Wales, United Kingdom, Europe

Aerial drone view of Vilamoura Marina in Vilamoura, Algarve, Portugal

Hilltop village of Motovun, Istria, Croatia

Beaches of Medulin, Istria, Croatia

Swimming pool of the Four Views Baia hotel, Funchal, Madeira island, Atlantic Ocean, Portugal

Kicker Rock, a volcanic formation near the island of San Cristobal, a popular spot for snorkelling, Galapagos Islands, UNESCO World Heritage Site, Ecuador, South America

King Leopold sandstone formation known as Thor's Hammer, Hunter River, Frederick Harbor, Kimberley, Western Australia, Australia, Pacific

Tourists on boat trip through the mangrove fringed Nosara River estuary, with locals handline fishing, Boca Nosara, Nosara, Guanacaste, Costa Rica

Livorno (Leghorn) port on sunny day, Livorno (Leghorn), Tuscany, Italy

View of Kyoto and Nidec Kyoto Tower from Kiyomizu-dera Temple, Kiyomizu, Higashiyama Ward, Kyoto, Honshu, Japan

Two sunbeds in the shade overlooking the crystal clear lagoon on an exotic Island in The Maldives, Indian Ocean

Overwater villas above crystal clear waters of the lagoon on an exotic Island in The Maldives, Indian Ocean

Porto d'Ischia, beautiful island of Ischia, Phlegrean Islands, Gulf of Naples, Campania, Italy

Amazing tropical island with palm trees, The Maldives, Indian Ocean

Sunset on the sea, tropical beach, The Maldives, Indian Ocean

Woman with straw hat sunbathing on tropical beach, The Maldives, Indian Ocean

Amazing sunset over the sea on a tropical island, The Maldives, Indian Ocean

Swimming pool of Dar Tantora The House Hotel, a renovated original mudbrick village in the oasis of AlUla, Medina Province, Saudi Arabia

Amazing tropical beach background of white sand and clear blue water, The Maldives, Indian Ocean

Beach chairs on beautiful tropical beach, The Maldives, Indian Ocean

Castillo de La Calahorra, above the white walled houses, La Calahorra, Guadix, Spain. Above the white walled houses of La Calahorra

Drone aerial view of Porto Katsiki, Lefkada island, Ionian Islands, Greek Islands, Greece

Porto Katsiki beach with turquoise water, Lefkada island, Ionian Islands, Greek Islands, Greece

Gythio, colorful houses in the south of Greece, Peloponnese, Greece

Dimitrios boat shipwreck on a sandy beach near Gythio, Peloponnese, Greece

Plitra beach with turquoise water in Karavostasi in the south of Greece, Peloponnese, Greece

Simos beach in Elafonisos island at sunset, Greece

Simos beach in Elafonisos island at sunset, Greece

Simos beach with turquoise water, Elafonisos island, Greece

Simos beach with turquoise water, Elafonisos island, Greece

Drone aerial view of camper vans parked on a wild spot at Lake Polyfyto, Kozani, Macedonia, Greece

Drone aerial view of camper vans parked on a wild spot at Lake Polyfyto, Kozani, Macedonia, Greece

Drone aerial view of camper van parked on a wild spot by a beach, Thessaloniki, Greece

Drone aerial view of camper vans parked on a wild spot at Lake Polyfyto, Kozani, Macedonia, Greece

Drone aerial view of Kalamitsi wild beach with turquoise water, Chalkidiki, Greece

Historic stone houses roof tiles, Monemvasia, Laconia, Greece

People at the Viewpoint on the Harrat volcanic plateau, AlUla, Medina Province, Saudi Arabia

Skyline of Singapore Marina Bay at night with Marina Bay Sands, Art Science museum and tourist boats, Singapore

Michlifen luxury hotel, Ifrane, Middle Atlas, Morocco

Villa del Balbianello, Lenno, Lake Como, Italian Lakes, Lombardy, Italy

View of boats in Hafnarfjorour Marina and town in background in winter, Hafnarfjorour, Iceland

Tourists taking photos, Castle of the Three Kings of Morro, UNESCO, Havana, Cuba

Eco-lodge Hara Oasis on River Draa banks in large palm grove in Agdz at foot of Djebel Kissane (Mount Kissane), Draa-Tafilet region, Morocco

Man sitting on cafe terrace overlooking the Ksar of Ait-Ben-Haddou, Ounila River valley, Ouarzazate Province, region of Draa-Tafilalet, Morocco

Garden of Maison Dalabua hotel at Luang Prabang, Laos

California gray whale calf (Eschrictius robustus), and tourist's hand in San Ignacio Lagoon, Baja California, Mexico, North America

Cityscape seen from Park Guell, Barcelona, Catalonia, Spain, Europe

Belcher glacier, Devon island, Nunavut, Canadian Arctic, Canada, North America

Grand Canyon, from Hermit Road, Grand Canyon National Park, UNESCO World Heritage Site, Arizona, United States of America, North America

Cottages, Berriew, Powys, Wales, United Kingdom

Kicker Rock, a volcanic formation near the island of San Cristobal, a popular spot for snorkelling, Galapagos Islands, UNESCO World Heritage Site, Ecuador, South America

Cave of Papafragas, Milos, Cyclades, Greek Islands, Greece