This vast masterpiece of Moroccan architecture spreads across 20 acres.

Fortune tellers, snake charmers, poets, and storytellers all gather on this historic square in Morocco.

Deliberately hidden for centuries, the magnificent Saadian Tombs were eventually uncovered in 1917.

It took 40 years to build this Eden-like garden in Marrakech, later restored by Yves Saint-Laurent.

An ancient capital city that dates back 3,000 years and harbors many surprises.

While this monument tile is shrouded in mystery it also marks the end of the longest ever human chain.

Legend has it that Napoleon Bonaparte fell in love with this Gothic church.

An old hill fort covered in over 100,000 crosses is a symbol of Lithuanian nationalism and beliefs.

Ruined 11th century abbey built by King David I in Edinburgh, Scotland.

A beautiful Greco-Roman structure houses a well once believed to have healing powers.

The most loyal of little dogs, or a Victorian era publicity stunt?

A statue in the heart of Edinburgh honors a bear that served in the Polish military during World War II.

The taxidermy remains of the first mammal ever cloned from an adult cell are on display in Edinburgh.

Dublin's most modern, visually spectacular bridge is modeled after Ireland's national emblem.

These gigantic skeletons tower over visitors and provide insight into the creatures that once ruled over Ireland.

Dublin's "Dead Zoo" serves as a window to Victorian museum design.

The gorgeous library at Trinity College is home to remarkable treasures of Irish identity.

Paris' fabled purveyor of exotic taxidermy and natural history curios.

Abandoned railway line circling the city of Paris.

A former top secret nuclear fallout shelter now operates like a hotel stuck in the Cold War.

Europe's second largest ossuary wasn't discovered until 2001.

Gargantuan home of Russian science.

Stalinist skyscraper built with help of cryotechnology.

One of the world's tallest statues is also one of its most hated.