The former home of Samuel Clemens and family remembers the happiest period of the author's life.

A journey through a curious collection of oddities and wonder.

The only surviving sidewalk clock in Brooklyn.

Behind a bodega is a small museum of relics and ephemera showcasing the history of New York.

A very tiny church, bisected by a now-dead oak tree and marooned in the middle of a shopping center parking lot.

Oldest building in California still in use.

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.

One of New York's best collections of pinball is hidden in a secret bar in the back of this laundromat.

One of only two commuter aerial tramways in the United States.

Whisper secrets in a busy station only to be heard on the other side of this acoustic arch.

Sniff the Titan Arum's rotting flesh.

The "Seinfeld" diner.

The feral felines of Roosevelt Island have a small army of allies and an abandoned hospital all to themselves.

Elevated freight railway turned wildly successful urban park.

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

This beautiful building in the heart of Manhattan's Financial District was empty for decades.

The world’s oldest and biggest bookstore stocking only mystery, crime fiction, espionage, and thrillers.

The oldest family-run luncheonette in New York, last renovated in 1948, still serves food and drinks the old-fashioned way.

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

A crumbling hospital from the 1850s on Roosevelt Island.