This restored eighth-century palace is a shining example of ancient Umayyad architecture.

A patchwork of ruins from various civilizations in one of the world's oldest continually inhabited cities.

Ruins of the Crusaders' headquarters.

A 1,500-year-old ghost settlement is slowly fading away.

Amid the rubble of Aleppo's Old Quarter, part of a historic market has been restored and re-opened.

This hunter-gatherer architecture is believed to be the oldest religious complex known.

A sacred lake with thousands of sacred carp and a biblical history.

An underground network of massive stone arches and their skylit vaults support ruins of portico structures above.

This elevator was built in 1907 to connect two neighborhoods separated by a steep, rocky cliff.

This crumbling medieval basilica once attracted pilgrims by the thousands to collect a miraculous dust that formed above the saint's tomb.

The ancient latrines of the Greeks, in all their public glory.

Carvings in Turkey's Marble Road may have directed ancient Romans to a hidden brothel.

These tombs were built into the side of a mountain so that ancient angels could reach the dead.

A Turkish ghost town abandoned in a population exchange with Greece.

A mysterious ancient cemetery with Roman sarcophagi and Lycian inscriptions.

Hidden just under the waters around this Turkish island are the ruins of a once great city.

One of the most breathtaking railways in Europe also takes one of the steepest climbs, from fjord to mountain plateau.

The design of this beautifully crafted building was inspired by Norwegian glaciers.

This hulking behemoth is actually five interconnected towers built in the 1960s.

The world's longest outdoor covered escalator system transports commuters through Hong Kong's hilly terrain.

Two cannon-like cranes were installed on top of the bank building to fend off bad feng shui.

Singapore's oldest Hindu temple.

Ferdinand Magellan dubbed the world's largest water village the "Venice of the East."

This iconic clock tower is the largest in the Philippines.