This unique building in the main square stands out among the city's typically Baroque architecture.

A centuries-old forgotten underworld lies beneath Malta.

The floor of this spectacular Baroque sanctuary is covered in memento mori.

This church is named for one of the most dramatic tales in the early Christian church.

Dynastic Home of the De Piro Family.

Commemorating the first recorded car journey in the United Kingdom, a 56-mile trip that defied the speed limit the whole way.

This towering monument is dedicated in memory of a most unusually named, yet heroic, horse.

After 400 years of being closed to the public, this monastery's underground tunnels and secret garden are now a museum.

A dark Victorian well house now plays host to mystical waters and pagan shrines.

An ancient well nestled at the foot of Glastonbury Tor, shrouded in Arthurian legend and revered for its purported healing waters.

In the ruins of Glastonbury Abbey lies the alleged resting place of the legendary king.

The final resting place of one of the most influential modern occultists.

This hill and tower are steeped in legend, from King Arthur to the Holy Grail.

Groups of prehistoric tombs that dot the mountains of northern Oman.

The best-preserved beehive tombs in Oman with spectacular backdrop.

Traditional architecture and ancient irrigation systems are on display in this gorgeous mountain village.

This beautifully restored fortification kept the city safe for centuries.

An imposing Omani fortress surrounded by date palm trees.

This spectacular mosque houses the second-largest chandelier in the world.

This bazaar is one of the oldest in the Arabian world.

A sinkhole and now a swimming hole, too, full of dazzling turquoise water.

Where artisans use centuries-old techniques to build traditional Arabian ships.

This cathedral's stained-glass patchwork of psychedelic colors and shapes was put in place long before the swinging 60s.

Four hundred years ago, this turned-about message was carved into one of Winchester Cathedral's exterior walls.