A living snapshot of a different time in America is preserved and maintained by a community of volunteers.

The extremely grey columns of one of Mexico City's most iconic beltways are slowly gaining a bit of color.

According to tradition this is the oldest church in Venice, but its actual age is a mystery.

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

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

In the past, Renaissance sex workers were encouraged to entice customers on this bridge.

The pile of books behind the dignified writer gave the statue a most undignified nickname.

An island filled with hundreds of hanging, decomposing, decapitated dolls.

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

A slightly creepy gallery of plaster cast models in the same museum as Michelangelo's David.

Renaissance hospital featuring a rotating door into which unwanted babies were dropped.

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

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

As can be expected from a centuries-old church built in a canal city, the undercroft of this house of worship is beautifully flooded.

This Venice bookstore has resigned itself to constant flooding by keeping its books in bathtubs and boats.

2300-year-old Roman road connecting the empire.

Frida Kahlo's childhood home, now a museum of her life and works.

Remnants of cone-shaped fascist bomb shelters in Milan.

Artistic tombs, monuments, and a beautiful "Hall of Fame" lurk inside this cemetery.

The mark of the Devil's horns on a marble column in Milan.

This immigrant bridge once spanned the Thames but is now a fixture of an Arizona city.

A reproduction of earth's many biomes.

One of the final grand railway depot hotel complexes is slowly being restored to its former glory.

This public square capitalized on a single Eagles reference to bring some life back to an Arizona town.