Shop at the 200-year-old store where Julia Child stocked up on copper cookware.

The celebrated eyesore created by starry-eyed sweethearts.

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

A horde of stray cats rule in this secluded Parisian cemetery under a bridge.

The vast, legendary catacombs hold secrets much stranger than stacked bones.

Rome’s legendary peephole vista is also a former Crusader stronghold.

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

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

This whimsical group of statues is a favorite of children who love to climb all over Lewis Carroll's beloved characters.

A spectacular remnant of an Adler and Sullivan masterpiece that was destroyed in 1972.

The last masonry skyscraper ever built reveals a transitional moment in architectural history.

A 400-foot-tall tall map of Chicago makes this once-ignored building stand out.

These chunky stone towers out in Lake Michigan are the key to Chicago’s drinking water.

Partially submerged Buddha heads freckle Chicago’s neighborhoods.

Hidden on the seventh floor of a historic building, this Cajun spot features wall-to-wall bottles of hot sauce.

Illegal drag racing two stories beneath Chicago’s streets.

This awkward aquarium sculpture is one of the strangest statues in Chicago.

Former bath house turns gastropub.

In a quiet north Chicago neighborhood rests a stunning relic of the golden age of earthenware design.

This alley in downtown Chicago held the bodies of over 600 people after the fateful Iroquois Theatre fire.

Four glass boxes hover over 1,000 feet in the air to give visitors an unparalleled view of Chicago.

This whimsical Oz-themed park had a wonderful impact on the surrounding neighborhood.

The perfectly preserved underground rooms where Churchill plotted the war against Germany.

Kings Cross Station pays tribute to its role in Britain's best-selling book series.