A surprising and unconventional mosque hidden in the subsoil of Istanbul.

Ancient snack bar of the Roman Empire re-opened.

Erotic art covers the walls of the largest ancient pleasure palace.

Five candy-colored villages on the Italian Riviera.

2300-year-old Roman road connecting the empire.

The last moments of the ill-fated Pompeiians, frozen forever in plaster.

A New England-style lighthouse along California's beautiful Highway 1 gets a re-do.

Once close to extinction, there is no shortage of elephant seals on the beaches of Año Nuevo State Park.

The highest point in North Carolina and the United States east of the Mississippi River, Mount Mitchell is named after argumentative explorer Elisha Mitchell.

One of the largest ochre quarries in the world, hidden in a limestone landscape.

Remains of the artificial harbours invented for the Allied invasion of Normandy can still be seen at sea.

The other side is actually green.

This knobby, drooping New Orleans oak is a favorite place both for climbing and for meeting giraffes.

A 19th-century shrine covered with prosthetic body parts as votive offerings.

This symbolic piece of New Orleans architecture is also home to a few ghastly stories.

A snapshot of the city's fascinating voodoo culture.

A 200-year-old bar in the historic French Quarter refuses to give up its place in history, nor its role in securing ours.

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

This historic address is home to the beloved ball and is an almost totally empty building among the most expensive real estate in the world.

The New York hotel where tragic visionary Nikola Tesla spent his final hours, destitute and alone but for the pigeons.

A popular European tradition makes its way to the states on one of America's most famous bridges.

A pedestrian island in the middle of world-famous Times Square emits a strange (and purposeful) humming noise.

This unacceptably tall building was the real reason for Washington, D.C.'s skyscraper ban.

A muscular Art Deco monument represents the struggle between regulators and unbridled markets.