Bukhara -- Uzbekistan's Ancient Silk Road City

Bukhara's massive Ark fortress, which was built in the fifth century

A man walks in the tranquility of Bukhara's Old City

A woman walks past the Uluh-Beg Madrasah, a Koranic school in Bukhara.

The Mir-i Arab madrasah in Bukhara, which is said to date back to the early 16th century

An ancient tree stands near a museum in the historical center of the Silk Road city.

A view of the majestic Kalyan mosque complex

Street vendors in Bukhara

Gulnara Karimova, the daughter of the late Uzbek leader Islam Karimov, exploited Bukhara's beauty as a backdrop for pop-music video she recorded in 2012.