Numerous impressive carvings are embedded in the trees lining this street in Marrakech.

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

Traditional 11th-century outdoor tannery.

Thousands of narrow alleyways in an ancient medieval city make up what's believed to be the world's largest car-free urban zone.

The other side is actually green.

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

One of the most spectacular canyons in the world.

World's largest film studio, where visitors tour the decaying sets that litter the harsh desert environment.

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

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

Monasteries on rock pillars, once accessible only by frayed ropes.

Central America's deepest lake is actually a volcanic caldera, surrounded by three volcanoes.

A huge, bustling local market in Panama City.

The famous boat that once ferried Bogart and Hepburn still floats in Key Largo after being abandoned for years.

A circus legend leaves an unexpected endowment.

A monument celebrating the idea of reaching inaccessible places.

One of the greatest heroes of the Titanic tragedy came from humble beginnings to this beautiful home.

Strange red rock formations that have been attributed to a higher power for hundreds of years.

This quirky UFO-shaped curiosity is often mistaken for the airport’s control tower.

Two mammoth statues inspired by equally tall tales lure tourists to this roadside attraction.

The highest dunes in California are the most likely place in the area to hear the Singing Sands.

One of the most scenic stretches of road in America winds between some of the country's oldest trees.

This 40-room dwelling tucked within a cliff was built by the basin's prehistoric residents.

This immigrant bridge once spanned the Thames but is now a fixture of an Arizona city.