The lush coastal city of Astoria is riddled with forgotten secret sidewalks.

100-year-old shipwreck you can walk up to at low tide.

A logging-themed roadside restaurant surrounded by museum-quality machinery and artifacts from the industry's heyday.

Where Nor'easters go to die.

This unassuming cheese empire in rural Oregon churns out more than 150,000 pounds of cheese each day.

No one knows how this Pacific Northwest spruce tree came to have so many trunks.

One of the coolest murals in Minneapolis.

A Perpetually Under construction Park.

Funhouse of found art and participatory sculpture.

Railroad came. People came. Railroad left. Town died.

An abandoned village that doubled as "The Hunger Games"' post-apocalyptic wasteland is up for grabs.

A rapidly disappearing authentic bit of the old south.

This North Carolina museum is keeping the pinball craze alive, with a little Space Invaders on the side.

According to local lore, this narrow passageway through two large rocks was accidentally created by the devil himself.

Gnarled canopies of pink and purple wildflowers arch over the trail to the summit.

The enormous 250-room Vanderbilt mansion conceals hidden doors and secret passageways.

These eerie outliers of the lightning bug family glow a mysterious blue color.

The wooden house where the jazz great learned to play the piano.

This former Norwegian sailor's church is slowly being taken over by ramshackle robot musicians.

A hidden architectural treasure in New York's Brooklyn.

One of only two remaining Victorian-era greenhouses in New York.

First a horse rendering plant, then a 19th century landfill, this beach is full of glass from thousands upon thousands of broken bottles.

Every animal in the torah taxidermied and crammed into a Brooklyn townhouse.

This outdoor gallery of graffiti-covered walls pays homage to the past, present, and possible future of street art.