Climb inside an iron crystal magnified 165 billion times its normal size.

The medieval "dragon" on an Austrian city's coat-of-arms comes to life in a fountain.

The world's most important buildings shrunk to a tiny size.

Austria's ultra-modern art museum looks like Cthulhu's giant alien heart.

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

This memorial to the victims of the Romanian Revolution of 1989 is often compared to a potato on a skewer.

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

This communist behemoth is the heaviest building in the world and a legacy of a brutal regime.

A fire once nearly devoured this gorgeous 14th-century Gothic cathedral.

Something's watching you.

A former bank seized as a sniper vantage point during the Bosnian War is now a secret graffiti art gallery.

The Earth's saltiest natural body of water belches toxic gas.

Ethiopia's "smoking mountain" is in one of the hottest regions on the planet and is home to two lava lakes.

The hottest place on the planet.

The Frank Zappa fan club erected this monument to their prog-rock hero to mark a new era of post-Soviet Lithuania.

The first museum dedicated to exploring humanity's cultural relationship with the celestial world.

The pyramid and dome deep inside the Dzūkija forest are believed to channel divine energy.

While this monument tile is shrouded in mystery it also marks the end of the longest ever human chain.

Legend has it that Napoleon Bonaparte fell in love with this Gothic church.

Once known throughout Europe, this tiny and unusually progressive 18th century micro-nation within Lithuania now lies in ruins.

Travelers who fall victim to this mermaid's charms are destined to stay in Užupis forever.

A small monument in Lithuania marks the geographic center of Europe—or at least one of the claimants.

Open-air museum with a large collection of Soviet-era statues.

This micro-nation may be some sort of prank, but its constitution sure seems official.