Is there such thing as too many fruit bats? Not anymore.

Microscopic fossils suggest Australia may be the birthplace of sulphur-based life forms.

One of the best beaches in the entire world.

A clear example of the process of erosion in action.

A castle hand-built by a Spanish dreamer in the Australian tropical jungle.

The Roman Emperor's lost summer home and grotto full of enormous sculptures sit along the Italian seashore.

A tree that defies gravity grows in an ancient ruin.

The titular "little arch" near this Italian resort is one of the most popular diving spots in the country.

This one-of-a-kind archeological site is home to strange prehistoric ruins, the original use of which is still a mystery.

The small peaceful island off the Venice tourist circuit is where the city began more than 1,500 years ago.

This historic recreationist school churns out warriors that may very well have had a fighting chance in Rome's pits of the day.

Gods clash with machines in a power plant regenerated as a museum.

The forbidden island of the Tuscan Archipelago may still contain buried treasure.

A fake medieval village in the middle of Turin.

Machismo turned on its head: the lady's hand goes to the dude with the bigger brain.

Eco-village hidden in the foothills of the Alps that created a massive system of psychedelic underground temples.

The world's most active stratovolcano is almost always erupting.

The doodles of a genius line the walls of a secret room under the Medici Chapel, where they were hidden for nearly 500 years.

A sunken idol welcomes parishioners to Davy Jones' Locker.

Pilgrimage site for star-crossed lovers.

The once forbidden "secret cabinet" of erotic art from excavations of Pompeii and Herculaneum.

As can be expected from a centuries old church built in a canal city, the undercroft of this house of worship is beautifully flooded.

According to the local folklore, the myriad colors of this lake are the result of a lovelorn wizard's blunder.

The glowing blue Nymphaeum of Emperor Tiberius.