This hidden garden boasts amazing views of Lyon.

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

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.

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

Eat the ultimate iteration of Portugal's most beloved pastry.

Legend says this mysterious stone head belongs to a woman who was petrified by an alchemist.

Renaissance hospital featuring a rotating door into which unwanted babies were dropped.

The famous sculptor left his mark on this Italian wall in an internationally protected example of street art.

A plaque on the base of this statue holds a bewitching design.

A copy of the famous statue can be found in this Florence piazza, along with one of the most breathtaking views of the city below.

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

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

A mysterious, abandoned Chinese building in Mexico pays homage to the area's East Asian immigrants.

A jaw-dropping "megalibrary" that turns book-browsing into a geometric adventure.

This unique architectural wonder is also tied to one of the 20th-century's most renowned writers.

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

A vista of the city and sea from atop the little-known viewing deck on an unassuming Columbus statue.

Blighted Irish field and the ruins of a 19th-century cottage on the edge of urban Manhattan.

This sculpture by artist Fritz Keonig survived the 9/11 attacks and now stands as a monument to the victims.

A popular European tradition makes its way to the states on one of America's most famous bridges.

Huge stairway leads to this massive gallery.

The Cycladic architecture makes this Athens neighborhood feel like an island paradise hidden in the shadow of the Acropolis.

This ancient Greek place of assembly and marketplace is being revealed layer by layer below the modern Athens cityscape.