View of the courtyard of the Taj Mahal. one of the most remarkable sights of Muslim architecture, UNESCO World Heritage Site, Agra, Uttar Pradesh, India, Asia

The so-called Gymnasium, Archaeological Area of Solunto, Sicily, Italy, Mediterranean, Europe

Young woman sitting on a defensive wall of Smbataberd Fortress, on the crest of a hill between the villages of Artabuynk and Yeghegis, near Yeghegnadzor, Vayots Dzor province, Armenia, Eurasia

Remarkable building at the corner of Hans Broges Gade and Odensgade streets, Aarhus, Jutland Peninsula, Denmark, Europe

Postojna Caves, Postojna, Slovenia, Eastern Europe

View of the Kom Ombo Temple at dusk, Edfu, Egypt, North Africa, Africa

Architectural detail of St. Peter's Basilica, featuring the iconic Vatican obelisk at its center, Vatican City, UNESCO World Heritage Site, papal enclave in Rome, Lazio, Italy, Europe

Meteora, ancient holy Monastery of Varlaam, UNESCO, Kalabaka, Greece

Remarkable sandstone rock carved by erosion in the Ashar Valley, AlUla, Medina Province, Saudi Arabia

Remarkable sandstone rock carved by erosion in the Ashar Valley, AlUla, Medina Province, Saudi Arabia

Quadrangle of the Nuns, Uxmal, Yucatan State, Mexico

Chapel of the Langue of Aragon in St. John's Co-Cathedral, UNESCO, Valletta, Malta

Amer Fort (Amber Fort), Rajasthan, India

Ranakpur Jain temple (Chaturmukha Dharana Vihara), Ranakpur, Rajasthan, India

Osaka Castle in Japan. Overlooking the stone moat at Rokuban-yagura Turret on the outer walls

Aerial of Sewell Mining Town, UNESCO World Heritage Site, Chile, South America

Scenic view of the historical wat chaiwatthanaram temple with its towering prangs and serene green lawn under a cloudy sky in ayutthaya, thailand