Some Moscow residents once claimed the bizarre, contorted mass of metal on top of the building was used to manipulate minds.

This massive monument honors the first human in space.

Gargantuan home of Russian science.

The tallest hotel in Europe.

The sunken structure looks like the victim of a catastrophic flood.

Massive puppet-automaton machines created by French artist collective Machines de l’Ile.

This 1,300 year old monastery built atop a single rock was once only accessible depending on the whims of the tide.

Where the legendary wizard sleeps for eternity, according to Arthurian lore.

The former home of the famed revolutionary Pancho Villa is now a museum in his honor.

This 80-year old mannequin is so lifelike it is believed to be an embalmed corpse.

An art world insider finds himself battling for his artistic home.

Lyon's "Wall of the Silk Weavers" is one of the largest murals in Europe.

Lyon, France is home to two remarkably preserved Roman theaters, one dating back to 15 BCE.

This hidden garden boasts amazing views of Lyon.

A colorful piece of contemporary art cheerfully clashes with Lyon's historical architecture.

This statue stands in honor of Antoine de Saint-Exupéry, the French author of 'The Little Prince' and an aviation hero.

For hundreds of years, automatons moving to metallic music have been marking the passage of time.

The world's first funicular powered by a steam engine.

Hundreds of hidden passageways weave through the old quarters of Lyon.

After decades of damage, this feat of timekeeping and automaton art has been given a new lease on life.

Lyon's miniature version of the Eiffel Tower was built as a statement in support of French secularism.

Lego blocks now patch Rouen's WWII scars.

Rainbow arches made of shipping containers grace the entrance to one of France's largest seaports.

This medieval tower is all that remains of the castle where Joan of Arc was held before being burned at the stake.