The New York hotel where tragic visionary Nikola Tesla spent his final hours, destitute and alone but for the pigeons.

A clock set into the concrete outside a Manhattan jeweler has been telling time underfoot for over a century.

This Wall Street bar was once a hub of revolutionary activity where Washington famously bid farewell to his troops.

A popular European tradition makes its way to the states on one of America's most famous bridges.

This sculpture by artist Fritz Keonig survived the 9/11 attacks and now stands as a monument to the victims.

Once the tallest building in the world and the site of "the highest dinner ever held in New York" this building now holds the most expensive penthouse in the city.

A very classy 1920s-era bar right in Grand Central Station.

Wall Street has a new heroine, a bronze statue of a small but fierce girl.

This cemetery has graves dating back to the 17th century, including the city's oldest carved tombstone and an ominous cryptogram.

Order scoops of pandan, lychee, and black sesame at this family-run institution.

This lower Manhattan bar is set up in an old bank vault that rests beneath a skyscraper that hides even more historic splendor.

The celebrated eyesore created by starry-eyed sweethearts.

The Argonaute submarine was the French navy's pride and joy in the 1950's.

This innocuous-seeming building is actually the remnant of a major wartime brothel.

Twelve grave-faced marble angels guard the emperor's tomb at Les Invalides.

The water-powered carriages are long gone, but for over a century this funicular railway has been the fastest route to the highest point in Paris.

This life-size replica of the Statue of Liberty's flame is also a tribute to Princess Diana by default.

Indents in the pavement are all that remain from a grisly death machine in Paris.

Medieval museum built over Roman baths that features famous tapestries of a lady and a unicorn.

An "inside out" building in the historical center of Paris, featuring Europe’s largest modern art museum.

A favorite Paris bar for U.S. expats, including Gershwin, Hemingway, and James Bond.

The very center of Paris is surrounded by a bevy of strange good luck rituals.

Paris' linguistic guide to the international language of, yes, love.

This iconic Parisian bookstore doubles as the "Tumbleweed Hotel" for traveling writers.