Beautiful mosaics cover the first stations opened on New York City's newest subway line.

The most confusing clock in New York.

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

This small and serene place for quiet reflection on Staten Island was built in China based on the gardens of the Ming Dynasty.

Cryptic messages embedded in the New York City sidewalk.

A Victorian cemetery in the heart of Brooklyn remains a popular mecca of morbid curiosity.

An artist's cute bronze subway sculptures belie his violent artistic past.

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

An uber-secure, windowless tower of doom in the center of Manhattan is an NSA spyscraper.

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

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

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

Sniff the Titan Arum's rotting flesh.

Elevated freight railway turned wildly successful urban park.

A terrific purveyor of natural history objects and curios.

The world's largest fire hydrant is supposedly tornado-proof.

This titanic steel chain linking two buildings was installed without permission but instantly beloved.

This psychedelic tromp l'oeil seems to be beckoning drivers to crash into a wall.

A fleet of automotive automatons sleep in this otherwise unremarkable urban garage.

The American rainmaker and a burst dam.

This giant shopping mall still holds signs of its automotive past.

The world’s first stop-motion film was created on the racetrack outside this building.

This cabin from the 1850s is one of the first structures built by Chinese immigrants in California.

This controversial depiction of the "Founder of California" looks as though it was sculpted from mashed potatoes.