These black pillars of volcanic basalt seem to call mountain climbers with an unbreakable siren song.

A small section of Boise, Idaho maintains the unique culture and traditions of the Basque people.

A former gold rush boomtown has managed to stay in business for over 100 ramshackle years.

A museum of carnival attractions where you are invited to ride the rides.

The intricate stonework of Machu Picchu serves as a testament to Incan engineers.

A 140-year-old castle with underground caves hidden in San Francisco.

Bring your own cardboard to the slippery slopes of concrete hidden in a neighborhood park.

An artsy hidden staircase leads to breathtaking views of San Francisco.

The macabre collection of Jacques Sirgent, an expert scholar on the undead and all of their trappings.

A psychedelic labyrinth on the San Francisco bay.

Stones speckled along Harris Avenue reveal hidden nuggets of the past.

The cardinal directions, set in stone.

An electrifying collection of gadgets and literature from the 16th through 20th centuries.

After spending more than a century on the ocean floor, this shipwrecked column is finally resting atop solid ground.

This mundane shopping plaza is named after a gruesome piece of flotsam.

At just six feet two inches deep, it is said by Guiness and Ripley to be the world’s narrowest freestanding office building.

This conservatory allows a little bit of the tropics to thrive in the middle of a major Canadian city.

This Elizabethan hedge maze is one of only six in North America.

A working steam clock, one of only a few in the world, located in Vancouver's Victorian Gastown.

A crumbling cliffside ruin hidden in the woods.

This Seattle store is packed with all sorts of curious creatures and creations.

This tiny home built on revenge appears to be scarcely wider than a Volkswagen.

Keeping Ballard's heritage alive with delicious, lightly battered Alaskan wild cod.

An enclosed rotunda at the Henry Art Gallery in which viewers can look up and see the uninterrupted sky.