A raised boardwalk winds through a thicket of stunted, century-old trees no more than nine feet tall.

Home to the largest urban bat colony in North America, estimated at 1.5 million bats.

One part antique store, one part curiosities hodge-podge.

A sculpture made of 10 Cadillacs as a monument to the "Golden Age" of the American automobile.

This graveyard is the eternal home of the residents of a vanished California town.

The easternmost town in Alaska can only be accessed from Canada.

Low tide reveals 8,000-year-old rock carvings in Southern Alaska.

The stunning remnants of this wreck emerge from an otherworldly backdrop of rainforests.

Where a railroad loops under or over itself to rise or drop more than 70 feet in a short distance.

The eerie remnants of an ancient forest were hidden under the sand for centuries.

A giant concrete orb in far north Iceland marks the ever-shifting boundary.

A beautiful Victorian-era cemetery, complete with a miniature village.

A huge musical instrument played by the ocean.

This abandoned boat was left in place thanks to its rotting beauty.

A cozy bookstore is tucked within an old gold mine shaft beneath the cafe and ice cream shop.

Staircase winds down the side of Telegraph Hill through gardens, wild parrots flying overhead.

A huge musical sculpture and other art installations on the National Oceanic and Atmospheric Administration grounds.

A giant Troll lurks under one of Seattle's oldest bridges.

This graveyard contains markers and monuments dedicated to some of the darkest chapters in Washington's history.

A "sinister, whimsical, tacky, and really orange" public art installation hidden under a Seattle bridge.

Activists are fighting to preserve these unfinished highway ramps as a tribute to the citizen revolt that halted their construction decades ago.

One of the only cooperatively owned bars in the nation wears its eclectic history on its walls.

A beautiful final resting place for some of the noteworthy deceased.

Couple's personal collection of pinball machines turned public pinball museum.