New York City's smallest piece of private property.

A dilapidated dock tells the story of Titanic's missed arrival.

Read a book next to a Midtown waterfall.

A hip bar decorated with walls of golden skulls.

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

Manhattan’s Battery Park has a whimsical carousel full of spinning, glowing fish.

Amid the bustle and noise of the Financial District hides a secluded garden oasis above the city streets.

Elevated freight railway turned wildly successful urban park.

A crumbling hospital from the 1850s on Roosevelt Island.

A tiny museum housed in a New York freight elevator specializes in the "overlooked, dismissed, or ignored."

La Monte Young and Marian Zazeela's "Dream House" will immerse you in an ever changing world of sound and light.

A terrific purveyor of natural history objects and curios.

A beautiful and abandoned New York subway station from 1904, complete with chandelier.

The final resting place of the "father of special effects."

This Parisian gem is one of the most incredible ethnographic museums in the world.

A beautiful Victorian statue shows France's enduring love of the rhinoceros.

The tomb of history's greatest potato promoter is surrounded by tubers.

This demon atop the Notre-Dame de Paris looks utterly bored.

This 18th-century sundial was designed to calculate the date of Easter each year.

Stripes of human ashes cover a back lawn in the most sought-after burial grounds in Paris.

An iconic and eccentric bar for "Manouche" Jazz music keeps expanding its space—and its influence.

This bridge was constructed from the rubble of the infamous Bastille.

An off-the-beaten-path boutique stuffed with an eclectic collection of upcycled goods.

The oldest and smallest cemetery in Paris is only open to the public twice a year.