A book collector's dream, this Toronto bookstore has the world's first "Biblio-Mat," a random book vending machine.

A Beaux-Arts triumph set to become Ford's innovation campus

The bones of an old zoo crumbling in the shadow of a new one.

The world's second-longest burning light bulb.

Belly up to the bar in Cowtown, don't forget to buy some boots.

A Texas museum filled with Broncos and Betties.

A modernist landscape of water and sci-fi concrete.

The hotel where Martin Luther King Jr. was shot is now a museum dedicated to his work.

Walk the whole Mississippi River!

Every day a troupe of pampered water fowl walk the red carpet to their favorite fountain.

This homegrown adoption center offers a wonderland of feline companionship.

A reclusive Memphis neighborhood is home to decades worth of misunderstood Masonic folk art.

The remains of Martha, the last known passenger pigeon, serve as a tool to educate about conservation.

Parking garage where Bob Woodward met Watergate source "Deep Throat."

The most decorated dog of World War I is preserved in the Smithsonian.

This taxidermy horse was a Civil War hero.

A heroic pigeon that, through a barrage of gunfire, delivered a message that saved over 100 lives in World War I.

There's a 12-foot-tall replica of the Washington Monument hidden under a manhole nearby.

Daredevil repair workers can worm their way out the access hatch, loop ropes over the apex and rappel down the monument.

A brass plaque dedicated to a convicted cannibal hangs in the National Press Club, and that's not even the craziest part of the story.

The first American axe throwing club.

A museum dedicated to the strange and extravagant costumes and memorabilia of the mummers, a tradition older than Philadelphia itself.

The origin of this mechanical boy was a mystery until he revealed his maker by writing it in perfect cursive.

The taxidermied remains of Charles Dickens' pet raven, which helped inspire one of Edgar Allan Poe's most famous poems.