The oldest arboretum on the Dalmatian coast doubles as the gardens of Kings Landing in "Game of Thrones."

This picturesque medieval monastery guards a small trove of historic treasures.

This long-hidden space above Westminster Abbey now displays the battle gear of the legendary King Henry V.

The Renaissance-era courthouse is a relic from the fortified town's centuries of Venetian rule.

This exceptionally well-preserved ancient marvel also houses a small museum dedicated to Jordanian folk tradition.

The best-preserved ancient theater in the world.

One of the best-preserved Roman amphitheaters is still used today, but for less brutal events.

This Dresden church was purposely rebuilt Protestant after being demolished in World War II.

The industrial monstrosity known as Bagger 258 is a colossal mining machine built in the DDR - but now left for dead in a German field.

An ornate century-old elevator still connects the two halves of Bad Schandau.

The ruins of an abandoned church loom within a picturesque Ukranian village.

An Albanian monument to the Communism that nearly crushed the country is now a crumbling wreck.

Hundreds of thousands of concrete bunkers crowd Albania long after the fall of Communism.

A naturally beautiful, seemingly bottomless deep blue spring.

Local lore says two enemy dragons live within these breathtaking mountain lakes.

A spectacular disused railway viaduct in a beautiful countryside nature reserve.

This isolated structure beckons adventurers with sublime views of the Faroe Islands.

An abandoned railroad tunnel is now filled with bioluminescent bugs.

Croatia's "hairy stone" fortress is one of the most well preserved Istrian castles.

A line of abandoned, alien-like fortresses dot the mountains of North Italy.

An ethereal glowing blue ocean cave in Croatia.

There's a mini version of Iguazu Falls hidden in the Balkans, and it's got a rope swing.

Legend has this precariously placed rock was placed by giants. Science has another explanation.

An architectural marvel that spans the Arda River, and has stories of a haunted past.