Places hymeneinstein Wants to Go

This sprawling concrete suburb of Kraków was designed by the Soviet Union as the model proletarian city.

Poland's oldest salt mine has nearly everything one needs to live underground forever.

An underground city of salt.

A mysterious structure left behind on the Polish mountainside, sometimes called "Hitler's Stonehenge".

This mysterious and once-grand memorial still embodies a remarkable architectural vision.

A fairytale Gothic castle steeped in Nazi treasure conspiracy theories.

A preserved oak tree about 3,500 years old found in Riga, Latvia.

A former Latvian headquarters of the brutal KGB secret police is now open as a grim reminder of their atrocities.

Built to ward off Napoleon's army, this city-sized abandoned Russian fort is now perfect for urban exploration.

This Latvian shot factory is still used twice a year to manufacture bullets the old-fashioned way.

This attraction was abandoned after the Chornobyl disaster.

One of the most poignant ruins of the Chornobyl nuclear disaster, the local football team's stadium has been quickly reclaimed by nature.

The ghost town left by the worst nuclear disaster of all time is being taken over by nature and urban explorers.

These crumbling Latvian forts make for some haunting seaside ruins.

The burning of this 12th-century church kicked off a campaign of Norwegian Black Metal terror.

An intricately carved Viking church overlooks a glistening fjord.

Norway's oldest cathedral still in use.

This giant boulder is pinched over a 1000-meter abyss by two mountains.

This "preacher's pulpit" once used for pagan ritual, is home to a new, and dangerous ritual.

Monuments don't get much more metal than these three giant viking swords planted in a Nordic hill.

Walk behind a 50-meter-high waterfall.

Walk 2,300 feet above the ground on the "Troll's Tongue."

The design of this beautifully crafted building was inspired by Norwegian glaciers.

An artist's mausoleum with a haunting echo.