Manhattan's deadly West Side railroad, which killed hundreds of New Yorkers, is remembered by this simple plaque.

A men’s restroom became a sandwich shop.

One woman’s obsession gave birth to this lovely oddity at the Boston Public Library.

Shelves covered in dozens of coffee bean varieties fill this North End institution.

Radical Bookstore and Community Space.

If all members were present at the table, a sixth of the world's wealth would be under the same roof.

Visit a sweet shop selling one of the first candies ever made and sold in America.

A collection of 20th-century automata, penny arcade games, and musical contraptions.

One of the oldest producers of hand-folded fortune cookies still uses its original secret recipe.

Nestled in the heart of San Francisco’s bustling Financial District stands a unique homage to the Mayan and Beaux Arts.

Home of modern dancer famously strangled by her own scarf.

A peculiar mansion built by the troubled heir to the Winchester Rifle Company fortune.

The headquarters of a secretive order is also a beautifully-designed park.

An extensive collection of ancient Egyptian artifacts and mummies.

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

The remnants of a Gilded Age elegance preserved in the middle of a stark modern tower.

A simple but powerful tribute to the 20 victims of the 1692 witch trials.

A much-maligned monument to teetotalism.

Look closely and you’ll notice that the color changes a third of the way up the tower.

A museum cafe showcases Native American dishes and indigenous ingredients from across the Western Hemisphere.

This taxidermy horse was a Civil War hero.

During the Industrial Revolution this “Temple of Invention” was full of intricate miniature machines and gadgets.

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

The preamble to the U.S. Constitution written entirely from vanity license plates hangs in the Smithsonian museum.