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

The famous sculptor left his mark on this Italian wall in an internationally protected example of street art.

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

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

The only visible reminders of an elaborate engineering project that kept the tower from reaching the tipping point.

Fortified medieval tower house with lovely roof garden.

This bustling Italian plaza is built on the ruins of an ancient Roman amphitheater.

A 19th-century architectural wonder designed by the "father of the skyscraper."

This vessel is believed to be the oldest operating fireboat in the world.

Buffalo's abandoned concrete grain elevators are getting a second life.

The medieval "Bearded Man" relief still serves as a clever flood warning marker.

A plaque marks the spot where the saint was shoved off the Charles Bridge and into the river.

Local folklore claims that this wall was not built for defense, but to provide labor during a time of famine.

Neal Cassady may still have an open tab at one of Denver's oldest watering holes.

This was once the home of Gahan's Saloon, Denver's most storied speakeasy.

Overlooking the Colorado Convention Center is this giant sculpture made from thousands of triangles.

A focal point of in Denver’s skyline for over a century, inspired by a Venetian basilica.

A Rocky Mountain city provides a happy ending for a pinto pony and his Brobdingnagian red chair.

The spot in the Mile-High City that's exactly 5,280 feet above sea level (at least for now).

Perched above a grotto, this tribute to Mother Nature looks out into the ocean.

The grandiose interior of this bar speaks to its past as home to famous jewelers and railway offices.

This Niagara Falls tourist trap is a world bright with neon and curiosities that will inspire love, hate, or a mixture of both.

This seemingly cursed monument is dedicated to one of Canada's great war heroes.

The third version of this tall sailing ship sits, rusted and burnt, in Lake Ontario.