A striking symbol of the Bulgarian capital.

This building has two facades of clashing architectural designs.

An interactive museum-like experience takes visitors back to 1980s Communist Bulgaria.

A Bulgarian monument to Russia's role in World War II is constantly being painted in pop culture protest.

Sofia's legislative center is continuously reinventing itself.

"Holy Wisdom" overlooks the city that became its namesake.

An ancient natural spring still providing water to the nearby village

A beautiful Victorian-era mausoleum, designed for a single occupant.

A 1,000-year-old oak and one of the last surviving trees of the ancient Scottish Jedforest.

A cast iron Fiat 500 sculpture overlooks the sea at Port Lympia.

Ancient rock art, depicting daily Omani life.

A meeting of art and architecture adorns this 5 star hotel

Royal burial place of the kings of ancient Britain.

This 42-foot tribute to the workforce still reminds us to pause and recharge.

A house that transports visitors back to Yugoslavia.

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

If you dare visit this fort, fire-breathing hyenas might devour your camels.

The ruins in this village were caused by something more sinister than neglect.

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

This beautifully restored fortification kept the city safe for centuries.

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

An imposing Omani fortress surrounded by date palm trees.

This mysterious anthropomorphic statuette is on display at the National Museum of Oman.

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