Invented in the mid-19th century, this machine could send copied images via telegraph lines.

It's believed that these columns marked the end of the Via Appia.

This monumental fountain has moved around the city multiple times.

These elaborate gothic monuments honor Verona's medieval lords.

This medieval castle was reconstructed by Carlo Scarpa.

A thought-provoking outdoor art installation sits in the seat of German law.

First founded in 1472, this is the oldest bank in the world. Its history may explain why we call financial institutions "banks."

King of the Saxons on top, Roman goddess of wisdom on the bottom.

Believed to be the only Orthodox church in the world that features a free-standing pulpit.

A twisted steel beam from the wreckage of the World Trade Center is the centerpiece of this memorial for those who died on September 11, 2001.

One of Antoni Gaudí’s earliest buildings, built between 1886 and 1890 for the industrialist Eusebi Güell.

In Rome’s Jewish ghetto, a 200-year-old bakery still makes the neighborhood’s historic sweets.

At more than 5,000 years old, these structures are among the oldest free-standing stone buildings in the world.

Italy's only urban waterfall has enchanted artists and travelers for centuries.

The “Sistine Chapel” of the Middle Ages merges 11th-century science and religion in wondrous hues.

A medieval house with mysterious alchemical inscriptions on its facade

The ruins of this Roman temple dominate the small city in southern Lazio.

Only three columns survive from this ancient temple in the town of Cori.

Sitting on an Italian hilltop is this surreal fortress built by the mad inventor of electrohomeopathy.

An ode to the washerwomen who called Pavia home.

This artistic fountain display pays homage to this area's theatrical history.

The Swiss artist's bulbous and overgrown shape-shifting sculpture controversially graces the center of Bern.

A nearly 500-year-old sculpture depicts a man eating a sack of babies, and no one is sure why.

This simple apartment may have inspired some of the most important theories in the history of science.