Mehmet was the first sultan, and one of the first Muslims anywhere, to defy religious tradition by allowing his portrait to be made.
Prairie grassland once covered much of North America's midsection. European settlers turned nearly all of it into farms and ranches, and today the prairie landscape survives mainly in isolated reserves.
Samarkand, with its magnificent mosques, tombs and dazzling ensembles of ceramic tiles, is still one of the world's most awe-inspiring cities.
Celebrating historic triumphs is a favorite pastime for many Turks. Tales of how Turkic peoples emerged from Central Asia, crossed the steppes to Anatolia, established the Ottoman Empire and ruled for centuries over large swaths of Europe and Asia are the subject of countless legends, poems and books.
King Frederick I of Prussia conceived the Amber Chamber in 1701 as a magnificent gift to the Russian royal family that would seal the alliance between the two powers.
Afghanistan's borders are arbitrary, drawn to meet 19th-century political needs rather than to respect ethnic or religious patterns.
Many Afghan intellectuals in the United States believe that their country is best kept together. They are encouraged by the fact that no leading tribal or political figure there has called for secession.
One October day in 1976, a Cuban airliner exploded over the Caribbean and crashed, killing all 73 people aboard. There should have been 74. I had a ticket on that flight, but changed my reservation at the last moment and flew to Havana on an earlier plane.
The United States is holding hundreds of suspected terrorists in prisons at Guantanamo and elsewhere. Many are locked up indefinitely. They have not been tried or even charged with any crime.
The United States is now harbouring Luis Posada Carriles. His continued freedom mocks victims of terrorism everywhere. It also shows how heavily the 'war on terror' is overlaid with politics and hypocrisy.
Prime Minister Benjamin Netanyahu of Israel has denounced negotiation with Iran as a 'historic mistake' that is making the world 'a more dangerous place.' His partners in Washington vigorously echo that view.
Congress, it turns out, is filled with Republicans and Democrats eager to act as enablers for the most repressive forces in Iran.
Conflict with the United States is one of the overwhelming facts of Latin American history.
The United States has means to wound Latin American countries deeply, chiefly by altering trade policies to cut imports in ways that would throw thousands out of work.
Any country that grants asylum to Snowden risks retaliation from the United States, including diplomatic isolation and costly trade sanctions. Several don't seem to care.