This triumphal 16th-century arched gateway leads to the oldest street in Palermo.

A plaque honoring a Hungarian hero of Italy is hidden in plain sight in Palermo.

Thousands of well-dressed mummies below a monastery.

Behind medieval walls in a corner of bustling Palermo is a breathtaking former mosque once inhabited by a wolf-taming hermit.

Why a column on the entrance is inscribed with a verse from the Quran is one of Sicily's many mysteries.

Tourists to the mountaintop Sicilian town often overlook its ancient fortifications.

This early Norman castle was the first historical monument protected by an act of Parliament.

Nelson Mandela lived here with his family from 1946 until his arrest in 1962.

Bizarre living fossil only grows in a small chunk of the Namib Desert.

Known as "The People's Park," this verdant oasis is home to elephants and villagers alike.

The largest known meteorite on Earth was too big to move.

An abandoned mine now resembles a post-apocalyptic landscape of derelict buildings and blood-red pools of water.

Dead weights honor the dead of Portugal's fishing industry.

There was a top secret plan during World War II to seal a group of soldiers inside the rock.

Single runway interrupted by a busy road that cuts across its middle.

Red, white, and blue painted steps along with a Union Jack celebrate the outcome of Gibraltar's 1967 referendum.

A subterranean playground in an abandoned slate mine.

The highest peak in Wales is said to be the final resting place of a giant killed by King Arthur.

A tiny village in Wales claims the name of a noble medieval hound slain for a crime he didn't commit.

Ospreys visit this location every year to nest.

A 4,500-year-old forest is slowly being revealed from beneath the sands of a Welsh beach.

A wooden statue of a mermaid commemorates one fisherman's generosity.

Since the Middle Ages, this stone has been used as a place to bless fishing boats moored at the nearby landing stage.

The Stonehenge of Wales is one of the grandest neolithic dolmens still in existence.