A trove of century-old litho stones from the Puck Building's printing days were discovered behind a cellar wall, and are now hanging in the store.

The first piece of public art dedicated to LGBT rights.

The most confusing clock in New York.

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

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

This neo-Gothic former auto showroom is one of the few remaining reminders of Brooklyn's "Automobile Row."

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

A curious friendship between two inanimate ladies.

An unconventional space for art and science housed in a massive old warehouse.

A tree that grows parallel to the ground was declared Brooklyn's "crowning curio" by the poet who saved it.

19th century cemetery hidden in Brooklyn's Prospect Park.

This metal eagle one of the final remnants of a newspaper that wanted to keep Brooklyn to Brooklyn.

Despite violent work crews and massive delays this abandoned canal tunnel was built to last into the modern day.

Enormous piles of historically significant stones, dumped by Congress in a forest, and abandoned for 60 years.

An unusual sculpture, an interesting history, in a strange place, for a good cause.

The gloomy ruins that inspired Bram Stoker to bring Dracula to life.

Cycle the solar system—from the sun to Pluto—right here on earth.

This sculpture marks the spot where one of the greatest Roman rulers was proclaimed emperor.

Follow the original medieval paths that wind through this intriguing section of the city.

Crammed into a Baltimore row house is an oddities shop that sells everything from skulls to dead insects.

Giant, natural amphitheaters made of delicate geological formations called "hoodoos."

Quite simply the largest tree in the world (by volume).

A three-story copper skybridge connects two Manhattan buildings with Art Deco luxury.

A sacred site for Native Americans surveyed by George Washington and owned by both King George III and Thomas Jefferson.