Brightly colored 30-foot-tall totems light up the desert sky just outside Las Vegas.

Flashy signs from Las Vegas’s past find their final resting place at this unusual graveyard.

These banned cigarette vending machines now sell little pieces of pocket-sized art.

Dyed by iron oxide over centuries, these sandstone rocks rise thousands of feet into the sky.

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

A dark patch of the ceiling at Grand Central Terminal which was not restored is still stained brown by tobacco.

A very classy 1920s-era bar right in Grand Central Station.

Red frames showcase remnants of one of New York's original subway stations.

A reminder to choose water over wine since 1888.

A terrific purveyor of natural history objects and curios.

For almost a century, this East Village newsstand has served egg creams to beats, hippies, punks, and everything in between.

This wall on a street corner in Lower Manhattan has been a blank canvas for a rotation of renowned artists since the 1980s.

The artist and New York City icon lived, worked and died in this converted carriage house owned by another iconic artist, Andy Warhol.

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

This historic building housed the surviving crew members of the Titanic, who were left destitute after the wreck.

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

Walk into the 19th century without leaving Brooklyn.

This impressive mansion in Vinegar Hill has some mysterious details in its architecture.

From cartoon characters to tiny tanks, a guerilla sculptor's little bronze statues are hidden throughout the city of Budapest.

Some of the greatest minds in the history of Hungarian art and science converged in this café.

The largest statue of this convex, homogeneous object with just one stable and one unstable equilibrium point.

A 19th-century artistocrat's mansion, turned into a library, hidden in a modern library.

Castle and secret tunnel withstood a siege until its owner was killed by the Holy Roman Empire, while sitting on the toilet.

The walls of this medieval church are covered with perfectly preserved frescos, including a pristine example of the Dance of Death.