The lavish, well-preserved home of a wealthy Baba Nyonya family is now a cultural museum.

This beautiful Croatian fortress is haunted by legends of forbidden love.

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

Legend has it fairies gathered at the site of this medieval castle.

Large, airy hallways hide within an impenetrable fortress that beckons urban explorers.

This stunning, out-of-the-way Croatian monument commemorates a community's uprising against occupying fascist forces.

Frozen in Norway, vended in Singapore.

The building's fluid, wavelike walls are a true feat of architectural ingenuity.

Foreign invaders almost left this lovely Caucasus palace alone—almost.

A unique museum dedicated to culture and artistry of carpet weaving.

Swirling layers of white and red rock earned these mountains their festive nickname.

A quirky house created entirely out of glass bottles combines a collector's spirit with an artist's flair.

Home to nearly a third of the world's mud volcanoes, Azerbaijan is home to a messy, bubbling, and sometimes explosive landscape.

This striking icon of the disputed Republic of Artsakh caused a stir at a Eurovision Song Contest.

A shrine of fire worship built on top of a natural flame.

Mysterious hillside with a continuously burning natural fire.

Where the father of Persian poetry is laid to rest.

An unusual monument to a gentle giant who became a Kyrgyz hero.

Built entirely of interlocking pieces, construction of this Chinese Muslim house of worship required zero nails.

This retro, UFO-like structure is a remnant of the Soviet-era circus.

Extremely isolated Silk Road caravanserai in the middle of nowhere.

Former island in the Aral Sea used to be a top-secret Russian bio-weapons facility.

One of the largest mines in Bulgaria is now home to a vast museum more than 100 feet underground.

Sofia's legislative center is continuously reinventing itself.