America's "second most important bell" is a contentious spoil of the Civil War.

Pilgrimage site for star-crossed lovers.

A whale rib was used to advertise the store by the arch that offered exotic goods from far away.

This medieval castle was reconstructed by Carlo Scarpa.

This bronze boy sits on one of Capri's rocky cliffs, waving at the passing boats.

What appears to be an ancient Roman temple is actually a Catholic church.

This bronze boar's snout has been rubbed to a golden sheen by visitors seeking good fortune.

This private skyway is filled with art and was expanded explicitly so that Hitler could appreciate a river.

Go inside to really appreciate this 500-year-old technological masterpiece.

This Roman statue is missing a limb from when the Venetians stole it from Constantinople during the Crusades.

On a side street near the interstate is the building where the famous anarchist once owned an ice cream parlor.

Once a dining hall for boarding school students, this lodge was a popular haunt for nuclear physicists working on the Manhattan Project.

A small side chapel in Santa Fe's basilica is home to the oldest statute of the Virgin Mary in North America.

This southwest-styled home in Santa Fe claims to be the oldest house in America thanks to an ancient bit of foundation.

The oldest continuously occupied public building in the United States.

Despite time, colonization, and the brutal New Mexican heat, these Pueblo ruins still stand.

The remains of a historic ranch house that witnessed the Civil War battle dubbed the “Gettysburg of the West.”

Wedding chapel's mysterious spiral staircase said to be miraculously constructed.

The only home that Alexander Hamilton ever owned has a history almost as troubled as his own.

One of the only single-person private gravesites in New York City.

Visit the monolithic tomb of America's most famous general.

What was once a true peninsula has now been filled in, causing the water to recede and leaving many streetside "waterfronts" and landlocked "islands."

This bronze sculpture was inspired by a photograph of Martin Luther King Jr. and his wife embracing after he won the Nobel Peace Prize.

The statue of John Harvard isn't actually John Harvard—or even, technically, the founder of the school.