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

Installed in an act of one-upsmanship, the annual sundial in this church is also a symbolic victory for the Gregorian calendar.

Inside this McDonald's you can dine on your Big Mac and fries next to a 2,500-year-old Roman wall.

This beautiful park on the outskirts of Rome protects the ruins of two colossal ancient aqueducts.

The oldest operating pharmacy in the world features 800-year-old recipes.

The land is full of geologic eye candy, such as otherworldly spires, mushroom-shaped hoodoos, and prehistoric fossils.

An ancient Scottish rock formation said to be the gravesite of a giant remains ensconced in legend and intrigue.

This sparsely populated town offers a look back in time.

Home to New Mexico's longest bar, this watering hole also has a mining museum and a haunted history.

In a Connecticut park, a statue pays tribute to the Indigenous people of this land.

A detailed pachyderm supports Rome's smallest Egyptian obelisk.

This curious, round temple is the oldest still-standing marble building in Rome.

This historic recreationist school churns out warriors that may very well have had a fighting chance in Rome's pits of the day.

A treasure trove of Renaissance-era funerary art in a Roman church built on top of Nero's grave.

The "Great Sewer" of ancient Rome is one of the oldest sewer systems in the world, and is still in use.

This large, circular tomb is the final resting place of the first emperor of Rome.

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

2300-year-old Roman road connecting the empire.

The yawning maw of this pagan visage is said to bite off the hands of liars.

This 16th-century close preserves an unusual piece of Edinburgh's transportation history.

This otherwise ordinary close on the Royal Mile constituted the end of the world for Edinburgh’s poorest residents.

At one time this small mining village was the highest town in America but now it sits abandoned while the mine churns on.

Nestled in the hills of Tuscany are gorgeous, multicolored hot springs.

The site of the "Bone Wars" between two rival paleontologists during the dinosaur rush of the 19th century.