Giant topiary dog once played a role in a terrorist bomb plot.

This fountain was designed to honor the man who helped bring water to Barcelona.

Possibly the oldest church in Barcelona, this basilica has its pagan and Christian mythologies all mixed up.

On the wall of this medieval walkway, a symbol of the Spanish Inquisition.

The 2,000-year-old Roman columns are hidden within Barcelona's Gothic Quarter.

A fantastic Christmas tradition where defecation meets the manger.

A science fiction-inspired apartment building designed by a famous Spanish architect.

Village situated on a narrow volcanic escarpment.

Giant eggs, walls of bread, and nightmare surreality mark the largest collection of works by Salvador Dalí.

Kissing the ass of this stone lioness has become a rite of passage in the city of Girona.

These fly sculptures are scattered around the city and represent the patron saint of Girona.

Designed by Gustave Eiffel before his famed tower.

The skulls and bones of thousands of soldiers line the walls of this small Italian chapel.

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

One of the most well-preserved castles in Italy also contains a rare medieval example of a port fortification.

Enormous pendulum helps keep Taiwan's tallest building from swaying.

This curious fresh and salt water lake holds a secret that draws in deep divers from around the world.

This unusual island has a winding sand bridge that only appears at low tide.

Five miles of underground river link lake to ocean.

Of five volcanoes located in the massive Tengger caldera, this cone is the youngest and most active.

One of the holiest places in the region, devotees come to Tirta Empul to bathe in the holy spring water.

This massive complex is made up of hundreds of smaller temples that date back to the ninth century.

Over 70 independent businesses have set up shop in this former Victorian department store.

A Victorian Gothic masterpiece housing a world-class collection of rare books and manuscripts.