Giant eggs, walls of bread, and nightmare surreality mark the largest collection of works by Salvador Dalí.

A beautiful but toxic fountain of mercury.

Romania's triumphal arch looks out over Bucharest.

This once-derelict building is now one of the most beautiful bookstores in the world.

Something's watching you.

A medieval church built up to defend its village.

This hauntingly beautiful cemetery outside a medieval citadel is full of winding paths and ivy-covered graves.

Nine centuries-old fortresses guard the walls of this medieval Romanian city.

A Turkish monastery tucked into a cliff wall.

A room filled with frescos that make it seem like the walls are crumbling down while giants die in despair.

It took more than 300 years to build this church, which is home to two sacred vessels believed to hold the blood of Christ.

This Transylvanian church has changed its denomination four times.

This massive underground salt mine now holds a sci-fi theme park in its depths.

Fortified homes of highland warriors that are still in use today.