This Nazi ruin was the site where Hitler was almost blown up by a suitcase bomb.

A program of Communist glamour in post-Stalin Poland is preserved in this colorful museum.

Beneath Kraków Old Town's main square lies a hologram-filled medieval market vampire graveyard wonderland.

Countless stories attempt to explain Poland's mysterious J-shaped trees.

The walls and ceiling of this Polish church are decorated with thousands of skulls, with another 21,000 skeletons just below.

Apparently, Hell has waterfalls in Slovenia.

Slovenia's first mosque is a striking mix of Islamic and modernist architecture.

The costumes depict the Kurent, the star character of the annual Kurentovanje festival.

The monument honors the mountaineers who were part of Europe’s best anti-Nazi forces.

A cemetery for Slovenian notables also serves as a popular recreation space.

A crumbling World War I fort that is reached through a series of concrete tunnels.

A beautiful drive through the foot of the Alps traces the path of 15th-century Turkish raids.

The walls of this medieval church are covered with perfectly preserved frescos, including a pristine example of the Dance of Death.

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

An otherworldly alpine pasture with its own unique microculture that recalls Middle Earth.

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

A whimsical bridge adorned with decorative dragons.

This abandoned Slovenian military barracks has become a punky-political art squat.

Record-holding coffin moonlights as an eatery run by undertakers.

The largest collection of death masks in Ukraine.

Like something out of a bad acid trip, this Ukraine hallway has been covered in hallucinatory phantasmagoria.

A unique Soviet mosaic preserved on the facade of a shoe factory in Lviv.

This cheeky restaurant has a serious devotion to lard sculptures.

A peculiarly shaped brass sculpture hidden in a courtyard in central Lviv