The complex has been abandoned since the Croatian War of Independence, barring a stint as a set for 'Game of Thrones.'

The largest statue of this convex, homogeneous object with just one stable and one unstable equilibrium point.

A 13th-century convent where St. Margaret of Hungary spent her teenage years.

This building has survived for more than a century and remains virtually untouched.

Everything from miniature biblical scenes to life-sized statues are almond-based at this sweet and nutty gallery.

Time stands still at this serene burial ground in the center of Budapest.

This statue of a falling man commemorates a teenage martyr of the Hungarian Revolution.

A forgotten graveyard lost in the tangles of an overgrown garden.

Budapest's Communist-era statues, banished to the suburbs.

Once the home of a hermetic monk, this cave now houses a small church.

In between two buildings in Ljubljana, medieval tunnel to nowhere.

A trough of 700 strange bronze faces runs through a narrow alley in Ljubljana's old town.

A whimsical bridge adorned with decorative dragons.

This one-time health resort was used by aristocrats around the world.

Martin Bricelj Baraga's monolithic sculpture measures the blueness of the sky, and changes color to match it.

An abandoned cable car station located on the Danube stands like a haunted house above the river.

Take a hike to this unique rock formation formed by lava flows.

One of Hungary's most influential places of learning is also home to one of the world's most beautiful libraries.

Dine on Hungarian-Jewish dishes at this multigenerational, family-run institution.

An industrial site turned into Hungary's most cherished natural wonder.

This Hungarian stilt village is built in a lake that never freezes over due to the power plant that that uses it as a cooling pond.

This quaint Hungarian railway system is operated exclusively by children between the ages of 10 and 14.

Some of the greatest minds in the history of Hungarian art and science converged in this café.

A trail of iron footwear stands as a monument to the thousands executed along this riverbank during WWII.