The remains of this 2nd-century Roman temple are incorporated into a modern building.

These hut foundations are believed to be the residence of Romulus, founder of Rome.

An ancient Roman temple first dedicated to an emperor's wife is now a church.

A mysterious chasm in the heart of the ancient Roman Forum, the Lacus Curtius was once believed to be a gateway to hell.

A detailed pachyderm supports Rome's smallest Egyptian obelisk.

Hundreds of lucky felines haunt the ruins where Caesar was murdered.

This ritzy Italian market is built around a statue of an unforgiven heretic who was burned for his belief in an endless universe.

This hidden alley near the location of Rome's first theater was the site of a curious miracle.

The Italian revolutionary's legendary wife is portrayed on horseback waving a gun and holding her child in this memorial on the Janiculum.

The oldest operational cathedral in the U.S. has one shell of a way of projecting speakers' voices.

This distinctive Crescent City tradition dates back to the days of horse-drawn carriages.

A small park on Bourbon Street features life-size bronze statues of New Orleans musicians.

A reservoir of vintage pinball machines and arcade games for the nostalgic and thrill seeking.

Amazingly, this old machine within the Resorts Casino still functions.

Memorial to the 137 lives lost on a ship fire, the whole hulk of which washed up on the Asbury Park shore.

Marie told fortunes from her small stand on the Boardwalk for decades, including to a young Bruce Springsteen who would busk outside her booth.

Blighted Irish field and the ruins of a 19th-century cottage on the edge of urban Manhattan.

Wall Street has a new heroine, a bronze statue of a small but fierce girl.

A remnant of the original World Trade Center complex continues to serve as a commuter gateway.

Manhattan’s Battery Park has a whimsical carousel full of spinning, glowing fish.

Little Red Lighthouse under the George Washington Bridge.

A very classy 1920s-era bar right in Grand Central Station.

This curved Manhattan building was built to house the opulence of John D. Rockefeller's oil empire.

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