Walking around West Harlem reveals a scavenger hunt of beautiful bird murals.

There are owls with glowing eyes in Herald Square.

A terrific purveyor of natural history objects and curios.

Twice a day one of these tragic bronze mariners drowns with the tide to remember all those the sea has taken.

A sculptural commentary on capitalism pokes up from the East River.

Hordes of precariously balanced stone figures crowd the shores of the Hudson River.

A whimsical, but often overlooked clock in Park Avenue.

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

The original toys that inspired the beloved children's stories are on display at the New York Public Library.

Hidden in plain sight on a pair of Manhattan subway tunnels are a pair of public instruments that sing to each other.

A masterpiece of LGBT art has been restored in what may now be the most valuable restroom in America.

New York City's smallest piece of private property.

A New York garbage depot holds a secret collection of weird and wonderful refuse.

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

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

Beautiful Victorian buildings from L.A.'s forgotten architectural past.

This brightly made over hotel hides decades of suicide, serial killers, and mysterious deaths.

This grand mansion has starred in everything from Bones to Buffy.

Where the leftovers of love affairs can live on forever.

The art and history of the velvet painting are on full display in this Los Angeles museum.

A modern day curiosity cabinet.

A self-built castle made by a mysterious man.

A meditative space out of a fantasy story.

Experience a quartz crystal sound bath inside a storied, all-wood sound-chamber.