Long-abandoned trolley tunnels just a mile away from the White House are turning into an art space.

This unacceptably tall building was the real reason for Washington, D.C.'s skyscraper ban.

Was there a small "backpack nuke" hidden in the attic? JFK apparently thought so.

The sculptor was instructed to add “stallion attributes” to the general's bronze mare.

This stucco building in North Africa was the first American-owned property on foreign soil.

At this faithfully preserved medina off the Moroccan tourist circuit you can walk through six centuries of history in one day.

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

The oldest known university in the world is in Fez, Morocco.

Traditional 11th-century outdoor tannery.

The courtyard of this small Marinid madrasa is a dazzling example of intricate Islamic architecture.

The designated Jewish quarter in Fez dates back to the 15th century.

This restored 17th century synagogue is one of the few remaining structures in Morocco’s ruined Jewish quarters.

Mosaics, storks, and brothels—this ancient city has it all.

An awe-inspiring mosque in Morocco with one of the tallest minarets in the world.

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

Fortune tellers, snake charmers, poets, and storytellers all gather on this historic square in Morocco.

The largest madrasa in Morocco once housed more than 900 students within its exquisite walls.

This vast masterpiece of Moroccan architecture spreads across 20 acres.

The world's largest concentrated solar power plant.

Morocco's largest Jewish cemetery.

Its history includes dinosaur fossils, cattle rustlers, Georgia O'Keeffe, and a mythical giant rattlesnake named Vivaron.

The 7,000-year-old calcium carbonate formation creates a magnificent natural bridge.

The highest peak in the Jemez Mountains and the traditional center of the Pueblo world.

A unique geological area spiked with wind-carved rocks that resemble teepees.