This spire on an Austrian mountain is wrapped around a long spiral slide and has the world's tallest wooden observation deck.

This medieval mountain town is also known as the "Village of Streams."

A massive bridge forms part of an aqueduct that was deemed an architectural wonder of its time.

A town saturated in Italian rationalist architecture was once marshland drained by Mussolini.

A beloved local artist has been honored with this statue of a man emerging from a toilet.

A slingshot from this delightful collection is awarded each year to someone who has "pulled metaphorical slings in favor of the weak and marginalized."

On the shores of Lake Garda, the ruins of a Roman villa that allegedly belonged to the poet Catullus.

Legend said this huge, gnarled tree sheltered the saint during a storm.

A narrow opening between the mountains of the Amalfi Coast creates a scenic hidden beach.

Romans decided this 16th-century "talking statue" was so ugly, they named it after a primate.

Two planes stand abandoned after the closure of an aircraft-themed restaurant.

These pools have been abandoned for over 20 years.

Legend has it this fountain built to symbolize the Pope’s power hides a strange secret concerning Neptune's manliness.

Ernest Hemingway was the first to sign this colorful wall covered in thousands of celebrity signatures.

An unusual house built using an iso-elastic membrane.

A cherry tree growing atop a mulberry tree.

The sunlight passing through the opening of this huge cave system creates a magical effect.

A visionary Italian architect created an impressive cluster of concrete structures for a family's private tomb.

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

This former fascist summer camp was abandoned for decades.

Bell tower juts out from a village buried under a lake.

This Italian stadium makes liberal use of fascist statuary to evoke classical sporting arenas.

The bright red cars take travelers through breathtaking Tuscan scenery.

Centuries ago, red and white wine poured from the statue's breasts whenever a new Venetian ruler was elected.