Native American burial mounds? Giant gopher dens? No one knows what created the Mima Mounds.

The remains of a former logging boom town, crumbled away in the forest.

A Roman-style column in Oregon hides a spiral staircase inside.

This super-sized skillet is a replica of a usable giant pan where a woman once skated on bacon.

Home of Jake the Alligator Man, the mummified remains of a cigar smoking, cross-dressing celebrity of the Northwestern coast.

From overly ambitious (and eventually abandoned) atomic dream to bustling office park.

The second tallest railway trestle bridge in America.

This large Sitka spruce that appears to be floating in mid-air, has defied logic for years.

A surreal landscape where fanged rocks rise from the ground and the ocean feels like a great mystery.

City Council meetings still happen in this historic building, impeccably preserved on the inside.

The building features one of the last remaining free-floating spiral grand staircases in the U.S.

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

What happens when a sculptor has to find a way around a 100-year-old copyright.

As you overlook the Howe Sound and the town of Squamish, your breath will be taken away by its beauty or the stairs... probably all the stairs.

The narrowest street in Canada was once a spot for dastardly doings, now a historic piece of Chinatown.