Artistic tombs, monuments, and a beautiful "Hall of Fame" lurk inside this cemetery.

Long-abandoned art nouveau baths beneath Milan's Piazza Oberdan.

Milan's duomo is covered in beautiful carving including a curious "dinosaur-like" beast.

Two very green residential towers cleaning the air in one of Europe's most polluted cities.

One of the world’s smallest bars, just 13 square feet, is brimming with speakeasy flair.

This giant middle finger statue sends an unambiguous message to Italy's bankers.

Pilgrimage site for star-crossed lovers.

At the crypt of St. Mary of Eulogies and the Dead you are left alone to ponder mortality among piles of skulls.

The crypts of Capuchin friars decorated with the bones of over 4,000 friars, including an entire "crypt of pelvises."

This Shetland Islands bus shelter may be small, but it squeezes in a couch, a desk, some art, and even an old telly.

Underwater art project will double as a massive artificial coral reef to help regenerate the damaged ecosystem.

Banksy gives themself artistic license with this piece of London street art.

Kings Cross Station pays tribute to its role in Britain's best-selling book series.

This former train tunnel is filled with lines from a poem crafted by Robert Louis Stevenson.

The colorful stairs are made with marble from the world's major quarries.

The U.S. military dumped millions dollars worth of goods off a beach in Vanuatu, purely to spite the British and French.

The site of a tragic massacre that spawned a multimedia franchise.

The "Seinfeld" diner.

Elevated freight railway turned wildly successful urban park.

Try not to get slimed in Tribeca.

In the middle of an extremely unforgiving and desolate high desert is the most secret military facility in the world.

This incredible collection of vintage pinball machines can be played at 25 cents a pop.

A unique underground car park that has become a popular filming location.

Nature is leading a successful mutiny on this century-old freighter.