Turkey Castles & Palaces, Lighthouse + Religious Pictures

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This 16th-century mosque is not only the largest active mosque in Istanbul, but also one of the city’s most symbolic.

The “Sunken Palace” is one of the most striking remnants of Byzantine Constantinople and is the largest of hundreds of ancient underground reservoirs in Istanbul.

See a hidden gem of Istanbul, an Ottoman house of prayer nearly 500 years old, with magnificent tiles, built in the middle of the market in the Fatih district.

Walk across this historic bridge to spot famous Istanbul landmarks and watch the sunset from a bar full of Turkish men contemplating life while sharing a water pipe.

Once a church, then a Byzantine cathedral, later a mosque and now a monument, this iconic building is a national treasure.

See a hidden gem of Istanbul, an Ottoman house of prayer nearly 500 years old, with magnificent tiles, built in the middle of the market in the Fatih district.

A Roman tower, which dates back almost 2,000 years, is a curiously designed treasure that stands between the historic center, the sea and a park.

Once a church, then a Byzantine cathedral, later a mosque and now a monument, this iconic building is a national treasure.

Once a church, then a Byzantine cathedral, later a mosque and now a monument, this iconic building is a national treasure.

Once a church, then a Byzantine cathedral, later a mosque and now a monument, this iconic building is a national treasure.

The nickname of this 17th-century structure refers to the brilliant color of its tiled interior.

Istanbul’s famous old Ottoman summer palace offers a grand view of the Bosphorus Strait and the Old City, as seen from the Asian side of this multi-continental city.

A Roman tower, which dates back almost 2,000 years, is a curiously designed treasure that stands between the historic center, the sea and a park.