This hidden Art Nouveau courtyard is an opulent feast for the eyes.

A castle perched precariously over the Crimean Sea.

This magnificent Crimean estate was once a playground of the Russian elite.

Two whaling vessels that were sunk by an anti-whaling organization in 1986 now sit on the shore of this beautiful fjord.

A 15th-century granary that played the role of futuristic slave quarters in the world of 'Star Wars.'

The site of a legendary 14th-century battle and a controversial 20th-century speech.

A bustling bazaar with an elaborate facade in Central Asia’s underrated capital.

One of Amsterdam's narrowest houses is located right across the canal from its widest.

Once home to an aristocratic family and a workers' organization, this intricately tiled building now houses a chain restaurant.

The charming collection illustrates life in Lincolnshire in the 18th through 20th centuries.

These pastel-colored homes were built when the island of Macau was a Portuguese colony.

A 13th-century stronghold that has fallen into ruin.

A 2017 crowdfunding campaign saved this historic castle from being destroyed.

The ruins of an early 1900s neo-Baroque mansion sit nestled in a local park in the Hungarian plains.

This tunnel entrance is built to resemble a grand castle but no one is quite sure why.

Locals believe this abandoned ruin on the outskirts of Bucharest is haunted.

Thirty architectural gems from the 19th- and early 20th-century Tokyo were restored and relocated to this space.

This Buddhist temple is home to the graves of the Japanese national legends, the 47 Ronin.

This truly palatial work of Communist-era architecture now sits crumbling on a Croatian beach.

This unassuming museum's slogan translates to “there is a limit of sadness, anxiety has no limits."

340-foot statue built to honour the Heroes of the Soviet Union.

A reconstructed medieval gateway that was the magnificent entrance to the capital city dating back to 1037.

This metro station doubles as an unintentional paleontology museum.

The final resting place of one of the first alleged vampires.