One of the highest mountain passes in Europe has been ranked among the best driving roads in the world.

According to tradition this is the oldest church in Venice, but its actual age is a mystery.

In the past, Renaissance sex workers were encouraged to entice customers on this bridge.

Thousand-year-old Viking runes adorn an ancient Greek lion at the entrance to the Venetian Arsenal.

This palatial spiral staircase was so unusual the name "snail" was given to the noble family who built it.

Go inside to really appreciate this 500-year-old technological masterpiece.

This community on a small Venetian island has taken to painting their houses in bright neon hues.

Two stone columns flank the grand Venice square, but there were supposed to be three.

Designed as a reminder of one of the darkest moments in Austrian history.

A gift from Emperor Franz Joseph I to his wife.

Along the edge of this fountain are 365 smaller fountains that represent the days of the year.

This tipsy office building in downtown Prague was originally called “Fred and Ginger.”

Macabre astrological automaton clock dating to the late 1400s.

The final resting place of American icon Buffalo Bill, and a museum that aids in telling his tale.

Take a dip in the world's largest mineral hot springs pool.

A coal fire has been burning underground here since 1896.

This Moab institution functions as both a rock store and a small natural history museum.

This interpretive path lets you get up close and personal with dinosaur bones.

This giant temperature attraction created some giant electric bills.

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

In the middle of the desert, miles from any human life, sat an anomalous pay phone that still magically answers your calls.

This conservation area is also home to many of the region's desert tortoises.

This small interfaith chapel lies not far from the rim of the Grand Canyon.

A tunnel with windows, so you don't miss out on the impressive views.