A completely underground tour following the path of the most precious element: water.

Rare wooden escalators lead deep down into an otherwise staggeringly monotonous tiled tunnel.

The studio built by fascists in the hopes of "reviving the film industry" with the occasional propaganda film opportunity thrown in.

A fairy tale castle in modern Rome.

Rome’s legendary peephole vista is also a former Crusader stronghold.

This bustling Italian plaza is built on the ruins of an ancient Roman amphitheater.

Fortified medieval tower house with lovely roof garden.

The only visible reminders of an elaborate engineering project that kept the tower from reaching the tipping point.

A bus with a butt and biceps to put Olympic athletes to shame.

The palace window through which Protestant nobles flung two Catholic regents, thus sparking the Thirty Years' War.

A sculpture of the iconic East German car on four legs is a tribute to those who traveled to Prague seeking asylum.

Countless grotesque faces stare out from this eerie Prague art wall.

Steadily reminding Czechia of its past.

Increasingly decayed figures stand as a powerful reminder of the human costs of Czech Communism.

Despite attempts by local police to discourage it, Beatles-inspired graffiti has been a means for artists to air grievances for decades.

This walkway is so narrow it needs its own light to stop pedestrian traffic jams.

This automated sculpture of two men peeing will spell out text messages with their micturition.

A surreal statue honoring Prague's favorite literary son.

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

A Jenga-style cylindrical tower of books that appears to go on forever.

A turn of the century building boasting some of the most beautiful art nouveau architecture in Prague.

Bullet holes in the church wall are a reminder of the violence that followed the assassination of a high-ranking Nazi officer.

A bust of Franz Kafka spins in pieces, reflecting the writer's inner torment.

Looming communist pillar with a Czech twist.