This amazing example of Valencian Art Nouveau looks more like a cathedral than a public market.

Vibrant street art created with mixed media.

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

The geographical center of Budapest is marked with a 10-foot-tall stylized zero.

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

A Trabant car, a kangaroo statue, and a plethora of plants take over this abandoned-factory-turned-bar.

This hidden art nouveau gem was designed by an architect in search of a national style.

A Hungarian pharmacy museum with a box full of mummy powder.

A museum in the childhood house of a medical pioneer.

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

This Budapest bar allows drinkers to leave their mark on the walls, floor, and even ceiling.

This Hungarian castle was built out of cardboard and wood until it proved so popular that it got upgraded to stone.

Built in 1870 at the bridge that connected Buda and Pest, this spectacular incline railway was almost lost forever during World War II.

Museum dedicated to the terror regimes of Hungary.

A series of caves under Castle Hill that once held the prisoner Vlad Tepes, better known as Count Dracula.

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

This artificial cave looks like something out of a fairytale.

An old asylum graveyard that's been abandoned for half a century attracts those seeking a dark thrill.

A former squatter's paradise outside Prague.

A bus with a butt and biceps to put Olympic athletes to shame.

A bust of Franz Kafka spins in pieces, reflecting the writer's inner torment.

The risqué mixed-media sculptures are supposedly a metaphor for Czech politics.

Bullet holes in the church wall are a reminder of the violence that followed the assassination of a high-ranking Nazi officer.

This spooky statue sits outside a famous Prague theater.