The geoglyph once sported a glass bottle eye.

The largest stone circle in the world has ended up bringing up more questions than it has answered.

Europe's largest prehistoric mound – burial site of a legendary king?

An opal mining town in the middle of Australia where people live, worship, and shop underground.

Taxidermy of the racing horse with a huge heart, who inspired hope in the Depression.

A friendly monster lurks outside the State Library Victoria.

The bullet-banged DIY suit of armour belonging to Australia’s most famous outlaw.

This modern pedestrian bridge on the Yarra River was modeled after an Aboriginal fish trap.

More than 100 colorful residents stand post in this seaside Australian city.

A taste of Egypt on the outskirts of Geelong.

A stuffed, prize-winning ram is all that remains of a world-renowned stud line, and a reminder of its owner's gruesome end.

The oldest residential street in Europe also features an optical illusion.

An unusual round church in London with a Templar past.

This picturesque horseshoe weir was first built in the 1600s to prevent flooding in the town of Bath.

England's steepest street has such a drastic incline that locals tie their parked cars to lampposts when it gets icy.

A monument dedicated to the unrecognized Black "mother" of modern medicine.

Banksy's image of a naked man dangling from the window of a sex health clinic.

After protestors toppled a statue of a 17th-century slave trader, the pedestal where it once stood remains unoccupied.

A plaque claims this artwork outside a children's hospital was used in the 1998 Quidditch World Cup.

The Bristol Camera Obscura housed in an ancient windmill.

Famously misunderstood wonder of the ancient world

Rebuilt remains of a temple to Roman god Mithras.

One of the largest megalithic complexes in England, which local legend holds is a wedding party turned to stone by the Devil.