One of the largest mud-brick structures in the world.

This living legend of maritime history is enjoying a second life.

Celebrated as a center of civilization, the remains of the ancient city have been nearly destroyed by greed, egoism, and war.

Mysterious lost empire of the Silk Road.

This beautifully historic Bahrain fortress might not be the most popular attraction around, but that might make it all the better.

A 19th-century fortress and collection of artifacts offer a tour of Saudi history.

Site where Moses may have received the Ten Commandments.

Charnel house at the foot of Mount Sinai.

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

Part shoe store, part sociopolitical art gallery, part zoo.

Known as the Sistine Chapel of Egypt, this tomb houses some of the most well-preserved paintings in Egypt.

This demon atop the Notre-Dame de Paris looks utterly bored.

A stunning Catholic cathedral built by a curve-loving communist in Brazil’s newly created capital.

A mysterious dark-skinned Christ statue has been this town's religious center for centuries.

Baptisms in troughs and post-sermon rodeos at the world's biggest cowboy church.

Location of a reliquary containing bone fragments of 18 saints.

The most historic church in Fairfax County played a role in the creation of the American Red Cross.

This former cathedral is now a bustling library packed with students and pigeons.

Pulled from the rubble of one of the worst modern tragedies, a steel crossbeam became a symbol of hope for New Yorkers.

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

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

Spanish architects used seized Muslim gravestones to rebuild parts of the fortress.

The only quarter of the Old City not dedicated to a major world religion.

A monument to the grand synagogue that stood in this space before Nazis burned it down.