Eccentric concrete mansion and museum designed and built by hand from the inside out.

This sanguine boulevard was named after a deadly cowboy bar fight.

This Route 66 classic sports a giant fiberglass rabbit that you can ride.

The highest point in Arizona is an oddly snow-topped peak within the otherwise arid state.

A pair of giant roadside arrows are all that remains of a former Route 66 trading post.

Ancient pueblos built into the base of a natural canyon wall.

Ninety feet off the valley floor is an ancient dwelling put under protection of the U.S. government by Teddy Roosevelt.

An abandoned facility that has become a place of ritualistic satanic worship, or so rumor has it.

This abandoned horse racing track was an exercise in hubris from its inception.

A towering bronze statue memorializes the founding father of postwar American conservatism.

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

The secret medieval communication system will whisk your words above the noise of the crowd.

An exclusive waiting room built for the royal family in the 1920s is hidden in Milan’s central station.

The mark of the Devil's horns on a marble column in Milan.

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

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

Small on the outside, big on the inside, this church is an astonishing act of visual deception.

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

An ossuary built in 1210 to collect bones from the Ospedale Maggiore of Milan.

An homage to everyone's favorite prehistoric cartoon family.

A chessmaster's dream destination.

Less a museum than a bizarre fantasy world created by artists and engineers.

This public square capitalized on a single Eagles reference to bring some life back to an Arizona town.

One of the final grand railway depot hotel complexes is slowly being restored to its former glory.