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

An old soap company building now houses one of Minneapolis’s oldest independent non-profit art galleries.

The last remnants of a lakeside airport that was bulldozed overnight by the mayor of Chicago.

This abstract sculpture is rumored to cast a hammer-and-sickle shadow once a year.

A century-old network of freight tunnels underneath the city's historic business district.

An avant garde art museum at the University of Chicago.

The world's only known button museum.

A haunting statue called "Eternal Silence" has quite the reputation among visitors with active imaginations.

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.

The world's largest moose statue towers above the highway between Oslo and Trondheim.

This floating sculpture of ice is a poignant reminder of nature's power.

At this Arctic outpost, get to know members of the indigenous Sámi community and meet their herds.

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

St George's Leprosy Museum depicts the gruesome afflictions of those suffering from the disease.

World's strongest whirlpool.

Tens of thousands of tiny bottles stuffed with various items.

The world's largest underwater restaurant is submerged off the southern tip of Norway.

For six months of the year, three giant mirrors direct a pool of sunshine onto this otherwise occluded town.

At the very tippity-top of Europe is a cliff from which you can view the midnight sun.

Thousands of years of crashing waves gave this mushroom-shaped rock its svelte figure.

One thousand trees were planted in Norway to be used to print books a century from now.

A favorite with sightseers, this Norwegian funicular provides easy access to a stunning view of Bergen and its environs.

Stay overnight in the world's most sleekly designed rabbit hole, free of charge.

One of the most breathtaking railways in Europe also takes one of the steepest climbs, from fjord to mountain plateau.