The remains of a magnificent medieval fortress that was the capital of a vast empire.

It took 40 years to build this Eden-like garden in Marrakech, later restored by Yves Saint-Laurent.

Morocco's Argania trees are infested with nut-hungry goats.

Founded as a refugee camp, now a popular tourist spot.

The medieval center of the Islamic world was also once the seat of Saladin's sultanate.

Located near Cairo's El Korba district, the abandoned mansion continues to inspire mystery and rumor throughout the city.

A network of ancient Egyptian tombs built into the cliff face along the Nile.

One of its engravings is believed to be among the first representations of medical and surgical instruments.

The largest known Ancient Egyptian obelisk.

A preserved oasis with traditional Andalusian-style architecture and beautiful views of the Nile.

In Egypt's expanding metro area, many of the neighbors are dead.

This ancient structure is widely thought to be the oldest intact pyramid in the world.

These Egyptian statues have survived for 3,400 years and were an acoustic wonder of the ancient world.

An endless sea of white conical domes.

Ozymandias’ time-keeping temple.

An ancient instrument used to measure the waters of the Nile so Egyptian farmers would know whether to expect famine or flood.

A touching tribute to the "Wonkey Donkey."

Known as "Toronto's Flatiron."

A former Canadian Pacific Railway station turned liquor store, the first and only station in Canada visited by British royalty.

An abandoned 1970s theme park that has been turned into a space for waterfront walking.

The giant birds honor two native North American species.

A monument to the 17,000 Chinese who worked and died to build Canada's Pacific Railway.

The oldest landmark of Toronto is a testament to shifting sands.

A memorial to the tens of thousands of Irish who fled to North America during the Great Famine.