Straight out of a nightmare, barcode-faced babies climb up and down Prague's television tower.

Looming communist pillar with a Czech twist.

Buried five stories underground, this Soviet bunker is packed with gas masks and Cold War paraphernalia.

Walk through Czech history in Prague's largest graveyard.

A steampunk-styled three-floor factory churning out art, activism, and electronic beats.

A massive, abstract lookout tower providing a panoramic view of Prague.

This former quarry is now a picturesque gorge that hides a sunken lake.

This ruined castle perched atop a rocky peak is a great place for a hike.

A spiral staircase twists to the top of this unusual Czech lookout tower.

Massive installation of Europe's negative stereotypes.

Underneath the city that invented pilsners are a series of historic tunnels that have been storing beer for centuries.

A Cold War secret surveillance tower used to spy on radio communications.

The Slovenian architect designed many landmarks in the capital city, including his own dream house.

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 public work of art that also provides some relief from the summer heat.

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

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

A relic from the Industrial Revolution got a second life as a contemporary performing arts space.

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

Strange rumors surround the artist who created these solemn metal guard dogs.

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

This former railway facility is the oldest in Slovenia, and now houses a museum showcasing the history of steam locomotives.

Deep underground, the rusting remains of a German water pumping station from World War II.