The 606 is a decade in the making.

One of the largest trees of its kind in California.

The world's largest outdoor organ is played weekly by one of just two civic organists in the U.S.

The unluckiest U-boat in the entire German fleet is now on display in a Chicago museum.

The twin towers in this Chicago fountain use 50 foot tall video screens to spit on people.

Four glass boxes hover over 1,000 feet in the air to give visitors an unparalleled view of Chicago.

The medieval "dragon" on an Austrian city's coat-of-arms comes to life in a fountain.

The final resting place of many of Germany's most famous communists.

One of downtown Berlin's last reminders of its Communist past.

Thousands of coffin-like pillars make up this controversial Holocaust memorial.

The largest free-standing aquarium in the world resides in a hotel lobby in Berlin.

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

Macabre astrological automaton clock dating to the late 1400s.

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

The only museum with its curator—and her pets—buried inside.

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

A preserved oasis with traditional Andalusian-style architecture and beautiful views of the Nile.

A bronze statue dating back as far as 1252, still has remnants of gold on its right cheek from ancient gilding.

After a profound show of devotion for his master, a dog becomes the symbol of loyalty for an entire nation.

Make your own fake treats at this factory and workshop in the epicenter of Japan's food replica industry.

After a water tower painting was accused of being an ad, a simple fix was made that gave the city a motto.

The great Danube river starts here.

The trailblazing Swedish businesswoman created a beloved minty candy called polkagris.

Inhospitable caverns just beneath this island paradise offer insights into alien worlds.