This giant middle finger statue sends an unambiguous message to Italy's bankers.

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

The glowing blue Nymphaeum of Emperor Tiberius.

Rome's semi-secret peephole vista is also a former Crusader stronghold.

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

Small ship votives hang from the vaulted ceiling of this port-side church with a Latin inscription on the wall.

Montreal's giant farmer's market is a foodie's best friend, especially in the winter months.

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

Designed by Buckminster Fuller, this relic of the 67 Expo survived fire and ice.

A replica of a 7th-century church hides in plain sight in the middle of the concrete jungle.

A remnant from the golden age of aviation still in use today, Pan Am's Clipper service took off from this Art Deco gem.

This anonymous businessman sculpted in bronze became an enduring memorial after 9/11, and had been mistaken by rescue workers for a survivor in the rubble.

This historic building housed the surviving crew members of the Titanic, who were left destitute after the wreck.

This futuristic airport terminal was abandoned for decades before reopening as a hotel—with a vintage plane of its own parked out back.

A dark patch of the ceiling at Grand Central Terminal which was not restored is still stained brown by tobacco.

Walk into the 19th century without leaving Brooklyn.

There must be a pun in this haystack somewhere...

This abandoned seaside fortress is now simply an imposing ruin being taken back by nature.

The site of the deadly Triangle Shirtwaist Factory Fire.

You can still ride this 100-year-old work of art in Brooklyn's largest public park.

In its day this historic fort held 100 cannons pointed in almost every direction to protect New York.

One of the most enjoyable bits of history at Coney Island and “the most romantic ride in the world.”

Touching mementoes from those who didn't make it back from World War I still hang in one of New York's oldest bars.

“Invented in Key West, Perfected in Brooklyn."