Plaza de Armas

Lima, the capital of Peru

Mikonos

Located in the South Aegean Sea, this island is part of the Cyclades, Greece.

Zelve

The rocks of Cappadocia (Turkey) eroded into hundreds of spectacular pillars and minaret-like forms. The volcanic deposits are soft rocks the people of the villages carved out to form houses, churches, monasteries.

Patan

Patan also known as Lalitpur (City of Beauty), is located on the Kathmandu valley (Nepal) and was once the capital of a powerful independent kingdom, still maintaining a defiantly distinct identity today.
To see the main square, check this post, it's worth it.