The 28-foot granite map plots the locations of 40 theaters in New York City.

A pedestrian island in the middle of world-famous Times Square emits a strange (and purposeful) humming noise.

This historic address is home to the beloved ball and is an almost totally empty building among the most expensive real estate in the world.

The fanciest public restroom in New York City boasts fresh flowers, art, and a classical music soundtrack.

A commemorative plaque hides a door that leads down to the New York Public Library's underground book bunker.

Commemorating the spot where the famous scientist fed his pigeons.

An homage to Jackie Gleason's bus-driving character from 'The Honeymooners.'

The New York hotel where tragic visionary Nikola Tesla spent his final hours, destitute and alone but for the pigeons.

Hidden in an ordinary Midtown building is a one-room museum dedicated to the greatest escape artist.

One part antique store, one part curiosities hodge-podge.

Continuing the tradition of the dime museum in style.

A high-octane shrine to the greatest Texans who ever lived.

At this airport "microcinema," you can catch a film before you catch a flight.

On East Burnside, a 24-hour vending machine distributes world-class pastries.

Get your cosplay on at Portland’s only Medieval fantasy-themed mead hall.

Beyond being incredibly fun, not much can be said about the Hole with certitude.

Hunting trophies decorate Oregon's most unique bar-restaurant.

A world of craftwork elegantly curated in a historic brick warehouse.

Gigantic private toy museum featuring among finest collections of antique mechanical banks in existence.

Their motto is, "We've been bonkers for hats even longer than you have!"

The U.S. Navy's last diesel-electric submarine rests half-submerged in the middle of Portland.

A tribute to the "toughest woman on the Texas frontier," who survived a famous battle and five husbands.

A dedication plaque on this Boston tunnel is a microcosm of a massive, controversy-laden construction project.

Dedicated to one of the darkest moments in Irish history, this memorial has faced its fair share of backlash.