A beautiful and abandoned New York subway station from 1904, complete with chandelier.

This lower Manhattan bar is set up in an old bank vault that rests beneath a skyscraper that hides even more historic splendor.

Construction of Barcelona's iconic (but controversial) church is expected to be completed in 2026—a century after the death of its architect.

A cemetery and the town it served sinks beneath the sea during the volcanic birth of Mt. Vulcan.

Hidden behind a wall for decades, this masonic lodge was only rediscovered during renovations.

Mining town from the late 1890s, once home to Calamity Jane.

Despite repeated attempts to make it work, this former mining town is now nothing but dust and memories.

Lighthouse-cum-columbarium where "Nor'easters" and grandma go to die.

A massive sea stack famous for its appearance in The Goonies.

Two massive rock outcroppings on the Oregon coastline.

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

The longest continuous lava tube in the continental U.S. offers 2.5 miles of dark explorations for the adventurous.

Delightful disarray of found objects and clutter.

A church of bones, decorated with 40,000 human skeletons.

The seamy, underground secrets of Portland's criminal past.

Hunting trophies decorate Oregon's most unique bar-restaurant.

An institution that preserves the history of institutionalization.

A 100-year-old purveyor of curiosities, curios, and kitsch featuring mummies, shrunken heads, and a Fiji Mermaid.

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

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

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

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