Explore the evolution of printing technology, from cuneiform to Kindle.

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

A dilapidated dock tells the story of Titanic's missed arrival.

This once luxurious Catskills resort is now a haunting ruin.

A massive volcanic plug is now a protected area that hosts a number of bird species.

The unbelievably opulent home built for an infamous newspaperman.

This stretch of beach along California's central coast is a busy highway for the largest seal in the northern hemisphere.

Offering commanding views of the California coastline, this restaurant was a hub for the artists and bohemians of Big Sur.

A posh members-only club with a literally dramatic history.

Six ravens are kept captive (but well-fed) at the Tower of London to prevent the fall of the Crown.

An unexpected Easter egg lurks in the background of a cherub wall relief at the Breakers mansion.

Overlooked by many, the two famous Scottish warriors guard the main gate of Edinburgh Castle.

The floor-to-ceiling collection in an old factory is a unique alternative to stuffy galleries.

A public urinal so pretty, it was declared a national monument.

The gravestone of the suffragist leader attracted extra visitors during the 2016 election.

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.

This study room in the New York Public Library saw the creation of one of contemporary America's greatest traitors.

Beautiful mosaics cover the first stations opened on New York City's newest subway line.

This exemplar of modernist architecture is meant to captivate and inspire students of the Cooper Union.

The former hotel where Tesla invented the radio.

Hidden in one of New York's oldest subway stations is the final remnant of the site of the bizarre Shakespeare Riots.

Cryptic messages embedded in the New York City sidewalk.

Wall Street has a new heroine, a bronze statue of a small but fierce girl.

Peek through the gates at this oasis from the city, full of Old English charm.