A man's head is enshrined beneath a statue near the first building constructed for the modern Olympic Games.

Legend says this sacred tree was a gift from goddess Athena.

This ancient Greek place of assembly and marketplace is being revealed layer by layer below the modern Athens cityscape.

The railway carts travelers to central Athens's highest peak, which offers stunning vistas of the city.

The hallucinogenic center of the ancient world.

An important Mayan religious and trading center dating back to 200 BC.

An architectural marvel that combines Gothic architecture with Indian elements.

An imperial fortress city that incorporated cultural elements from the entire Mughal empire, only to be abandoned the year it was finished.

For centuries, Jeddah’s old town was a major trading port and a point of entry for Hajj pilgrims traveling by sea.

Al Rahmah Mosque appears to "float" atop the Red Sea.

An archaeological site believed to be the burial place of the "mother of us all."

This beautifully restored fortification kept the city safe for centuries.

This bazaar is one of the oldest in the Arabian world.

An imposing Omani fortress surrounded by date palm trees.

This spectacular mosque houses the second-largest chandelier in the world.

This colorful New Orleans bookstore features rare and used titles, with a specialty in Cajun fare.

This cathedral dedicated to Louis IX, sainted King of France, holds many secrets.

The world-record holder for the longest bridge stretching continuously over water.

Formerly known as National D-Day Museum, this collection commemorates the battles of Normandy and WWII.

This bar named after the world's first mixed cocktail was home to one of New Orleans' most notorious politicians.

The oldest family-run restaurant in the United States is a living museum of New Orleans dining history.

By day this New Orleans square is for pedestrians, but by night it is a kingdom of kittens.

This historic "City of the Dead" lies prominently in the center of New Orleans' famous Garden District.

The oldest cemetery in New Orleans, resting peacefully for over 200 years now.