This old residential building was once the largest flour mill in the world.

The only arched bridge made of stone on the entire Mississippi River.

One of the world's premier laboratories for hydraulic engineering research takes full advantage of the water's power.

When flour explodes, it's not a pretty sight.

One of the coolest murals in Minneapolis.

Come for the giant taxidermy lion, stay for the knick knacks at this Minneapolis curiosity shop.

A butcher shop in Minneapolis has all the meats and cheeses you’d expect from any of its kind—except that all the products are vegan.

A bronze statue on a downtown corner honors Minneapolis's favorite career gal.

Hub of Scandinavian culture in a Minneapolis deli.

Mysterious man-made rock piles form an ancient cemetery on this rocky beach in Norway.

What might look like a cliffside sacrificial altar at first glance is actually a stone compass pointing to cities and lighthouses all around the world.

Norway's national monument to fallen seamen.

Art becomes an enchanting part of the environment at this wooded sculpture park.

This one-of-its-kind shipyard brings the 12th-century Viking Age back to life.

This handsomely carved wooden church is more than 800 years old.

This record shop and unofficial black metal museum is an ode to Oslo's heaviest musical export.

The painter of "The Scream" is laid to rest under a stoic bust of himself in the humble corner of an Oslo cemetery.

A microbiologist-chef is slinging noodles with hyperlocal Nordic ingredients.

Former farm staffed by mental patients is now a public park.

Train debris from the deadliest avalanche in United States history can still be found in the ravine where so many perished.

The site of the Wellington avalanche, one of the America's worst railroad disasters.

A short hike into the mountainside forest reveals a decaying 1890s town.

Cave carved out of a huge snow drift collapsed killing one and injuring five in July 2015.

An abandoned network of military bunkers and tunnels open for anyone willing to descend into the darkness.