A marvel of Byzantine engineering under the streets of Istanbul.

Once called the Jersey Lilly, this former saloon was the domain of infamous Judge Roy Bean.

The second largest roadrunner in the world stands 11 feet tall in his West Texas town.

Minimalist modern art on a repurposed military base in rural Texas.

This downtown Dallas art installation is always on the lookout.

Three hundred years of preserved Spanish colonial history in San Antonio.

The world's largest squirrel statue clutches a pecan bigger than your head.

An abandoned quicksilver mining town surrounded by the Big Bend parks.

A Prada store in the West Texas desert that is never open for business.

Mysterious glowing orbs float through the desert night.

An enormous pink granite batholith, long attributed with spiritual powers by the Tonkawa Indians.

This failed condo development was reborn as a street art hub.

This ruined medieval castle was the scene of Lord Robert Dudley’s seductive reception for Queen Elizabeth I.

This marine reptile was discovered by one of the 19th century's greatest fossil hunters.

This massive chalk hill carving is one of England's most beloved giant horse geoglyphs.

The Cambridge pub where Francis Crick announced that he and James Watson had discovered the DNA double-helix.

The fierce beast perches atop a pedestal marking where the historic City of London gates once stood.

Used as an example in one of the first dictionary entries for "museum" in 1706.

One of England's most famous churches hides a pair of little known architectural treasures.

This skewed English house has looked like it's going to fall over for centuries.

Home to the most complete dodo remains known - one head, and one foot.

These stark white cliffs were spat up by the sea and are slowly being retaken by it.

A glorious pub known for a spiteful printing feud and its famous typeface lost—then found—at the bottom of the Thames.

This hidden green space is the city's second largest conservatory.