Staircase winds down the side of Telegraph Hill through gardens, wild parrots flying overhead.

Part mural and part sculpture, this work of art sits in the middle of the Promenade, as if swimming in a river of asphalt towards the ocean.

A bronze statue of a low three-legged seat commemorates a piece of furniture that started a riot.

Get lost in this haunting fairytale art walk through a man-made eucalyptus grove.

The mirrored section takes the shape of Hebrew characters when viewed from above.

You might recognize this historic Oregon mansion from its appearance in 'The Goonies.'

Allegedly haunted by Walt Disney himself, this inconspicuous lamp is always kept lit in his honor.

This memorial to a murdered empress took 20 years to design, then spent 30 years hidden away in storage.

A stretch of highway even lonelier than the so-called "Loneliest Road in America."

For nearly 50 years, this San Francisco nonprofit has been serving as a mix of recycling center and art school.

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

This crumbling medieval basilica once attracted pilgrims by the thousands to collect a miraculous dust that formed above the saint's tomb.

This historic hotel preserves many treasures from its heyday hosting passengers on the Orient Express.

Carvings in Turkey's Marble Road may have directed ancient Romans to a hidden brothel.

The ancient latrines of the Greeks, in all their public glory.

The deepest underground city in Turkey was designed to protect 20,000 people behind massive stone doors.

This world-class vineyard has a peculiar collection of contemporary sculptures scattered across the property.

In this historic region, homes and churches are carved into ancient volcanic rock formations.

No one is sure if the world's fourth-largest diamond had been found in a rubbish heap or was pawned by Napoleon's mom.

Ancient serpentine sacrifice holder that has stood the test of time.

A fountain standing as a testament to a doomed alliance.

1513 Turkish world map, full of European state secrets and snarky commentary.

This remarkably well-preserved Egyptian plinth is pretty well traveled for a giant piece of stone.

A marvel of Byzantine engineering under the streets of Istanbul.