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

A majestic lion statue guards this Parisian botanical garden, and feeds on an unsettling item.

19th century pendulum and a clock restored by a rogue group of guerilla artists.

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

France's most famous cemetery, with some of its most curious tombs.

Notorious artist squat renovated into legal studios.

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

The sounds of the world's largest fully functioning pipe organ dazzle shoppers at a Philadelphia Macy's.

This elaborate towering structure was once famed for its revolutionary height.

Yo, Adrian!

This charming colonial alleyway is one of the oldest continuously used residential streets in the U.S.

The first American department store, and home to the largest operating musical instrument in the world.

Tour the dark and beloved poet's former cobwebbed basement, which may have inspired "The Black Cat."

A reminder to choose water over wine since 1888.

An annual extravaganza of Broadway theater memorabilia.

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

The most confusing clock in New York.

This historic address is home to the beloved ball and is an almost totally empty building among the most expensive real estate in the world.

A bit of retro transportation flair preserved in the world's largest department store.

Avoid gangster interaction while window-shopping.

This mosaic dedicated to John Lennon was tended for years by a Beatles super-fan.

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

Slyly buy a shake in the Parker Meridien lobby.

Great place to have a drink and a bite to eat in an atmosphere laden with New York's Bohemian past.