Cozy basement bar sports an inventory of over 2,000 beers.

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

Climb inside an iron crystal magnified 165 billion times its normal size.

Breathtaking and huge 430 year old maps of Italy.

Daily jousts and dancing barrel makers in Munich's mechanical clock.

A trail of iron footwear stands as a monument to the thousands executed along this riverbank during WWII.

An expansive complex of subterranean tunnels is all that remains of one of Europe's most formidable medieval fortresses.

Bold black and white motifs of life and death add a dramatic flair to this 17th-century crypt.

The world's largest wooden structure.

Three bridges and one giant canyon make up this fantastic Spanish settlement.

Gaudí's famously flamboyant architectural style is on full display in this sprawling park and garden.

One of Antoni Gaudí's most classic buildings is well-known for its "dragon-back" design.

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

This French anatomy museum greets guests with a skinless man, mid-shovel.

A tiled, multi-level garden of survival in Lyon.

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

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

Sky ships, planes, and portraits left as unique tokens of hope and thankfulness.

Da Vinci's equestrian statue, 500 years in the making.

St. Francesca Romana, patron saint of drivers, resides in the church she founded.

Massive galleon from a box-office bomb docked in Genoa.

A sculpture serving as an homage to Pope John Paul II.

Charles Dickens was not a fan of the ghastly wall dressings in this 6th century church.

Milan's duomo is covered in beautiful carving including a curious "dinosaur-like" beast.