The first botanical garden, a feather in the cap of the Grand Duke of Tuscany.

142 ceramic steps become a mosaic once a year.

This subterranean shrine beneath a bike rental store celebrates the iconic Italian scooter.

Where Venice's gondolas go for a tune-up.

A detailed pachyderm supports Rome's smallest Egyptian obelisk.

A magnificent waterfall is also home to the remains of a Roman hydraulic engineering system.

Behind medieval walls in a corner of bustling Palermo is a breathtaking former mosque once inhabited by a wolf-taming hermit.

A medieval fountain lined with 99 unique stone faces whose origins and meaning remain unknown.

This breathtaking monastery was established by Saint Benedict himself 1,500 years ago.

The highest waterfall in Italy is only "turned on" five times a year.

A cave in southern Italy adorned with thousand-year-old Biblical frescoes existed in obscurity until fairly recently.

Nestled in the hills of Tuscany are gorgeous, multicolored hot springs.

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

Over 100 towers were built in Bologna during the Middle Ages, but only 22 survive.

Artist Diego Morlin's war between the natural and human worlds is a wanderer's delight.

Naturally preserved bodies are eerily staged throughout the crypt in varying poses.

A wunderkammer of curious objects and intriguing art nestled within a hub of ancient Roman sites.

Ride a boat through this magnificent underground world, which now doubles as a theater.

Stumbling upon this whimsical wooded garden is like stepping into an enchanted forest full of philosophical musings.

One man's quest to fix his toilet unearthed over 5,000 artifacts spanning more than 2,000 years of history.

A spiritual sanctuary in a natural cave.

Every day is like Christmas on this street where the traditional Neapolitan nativity scene comes to life.

A gorgeous medieval library where the books are kept in chains.

An eccentric artist's abode in this small Italian town has been transformed into a surreal temple of mosaic madness.