Once defending the city of New Orleans from invasion by sea, this fort faces an uncertain future.

Made of giant chains and hung with shackles, this iron cross honors those unknowns who perished under American slavery.

A 200-year-old building in the French Quarter that was to be Napoleon's home in the New World.

The second oldest continuously operating bar in Louisiana.

The curiosities and wonders of pharmacy in a delightful historic building.

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

This New Orleans tree is filled with hidden chimes that produce a carefully tuned melody.

A snapshot of the city's fascinating voodoo culture.

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

This airport also offers travelers the chance to view thousands of years of Turkish history.

This church houses the tomb—but not the remains—of St. Nicholas, the likely progenitor to Santa Claus.

This arch granting triumphal entrance into Antalya was designed to honor the emperor's visit.

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

This hidden gem is bathed in beautiful natural light.

Ancient serpentine sacrifice holder that has stood the test of time.

Mausoleum and Holy Seat of Antiochus I of Commagene.

Climb a steep hill in 90 seconds on the second-oldest urban subway in the world.

Large miniature theme park with 100-plus models.

Roman ruins, natural methane fires and a lovely beach.

The best-preserved ancient theater in the world.

Legend says if you stick your thumb in the hole and it gets wet, your wish will be granted.

While not Turkey's deepest underground city, this subterranean redoubt is the largest.

Step back in time and witness the fall of Constantinople.

Naturally protected city carved from a rock face.