This historic electric train has operated with regularity since the early 1900s.

A detailed pachyderm supports Rome's smallest Egyptian obelisk.

This community on a small Venetian island has taken to painting their houses in bright neon hues.

Vermont's hills are alive with the sound of music at this historic hotel.

Beautiful scenery, history, science, and physics come together in this remnant of shipping lore.

The mountaintop wind turbine boasts a viewing deck — and a fair share of controversy.

A historic Montreal market that was the city's agricultural hub for over century.

This historic Victorian hotel has a scandalous history of affairs and murder.

A grand Gothic Revival basilica with stained glass depictions of Montreal's religious history has only one soul resting in its crypt.

This expansive bridge in the Canadian wilderness was originally just built for friends.

A secret climbing tree hides along the side of a Costa Rican road.

Next to the Leaning Tower of Pisa is a cemetery home to ancient sarcophagi and disturbing murals.

This clifftop arch is a natural stunner.

This grisly effigy displays an early Christian martyr who was skinned alive and beheaded.

Beautiful views and Roman-style statues on the Italian coast.

The walls and streets of the ancient city are peppered with penises.

This seaside Italian village doesn't just look Escher-esque, it actually inspired the mind-bending artist.

This ancient market is often referred to as the oldest shopping mall in the world.

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

Drink wine handed out through a window as part of an age-old tradition.

A Nesting Doll of Churches.

The once forbidden "secret cabinet" of erotic art from excavations of Pompeii and Herculaneum.

A labyrinth of ancient tunnels hidden below the city holds the ruins of 2,500 years of history.

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