Old submarine parts have been converted into faux whale fins.

A rotting tree in the middle of Seattle doubles as an elaborately-controlled art piece.

The first park built over a freeway is a brutalist masterwork.

The highest point in Washington state is a volcano covered in glaciers.

A bike being "eaten" by a tree is the real Vashon legend behind popular children's book, "Red Ranger Came Calling."

An ice cream parlor chain that caters to vegans and pinball fans equally.

This former coal gasification plant found a curious second life as a popular public park.

A colorful architectural gem in Seattle's uniquely modern Central Library.

A wall of chewing gum moonlights as collective art.

A museum dedicated to the history and exploration of both popular music and science fiction.

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

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

A walk through the historic city center, under the streets of Seattle.

An organ located deep within a cave, whose "pipes" are the geological features of the cave itself.

America's most famous museum of medical oddities is home to the remains of Albert Einstein's brain.

A roaring, awe-inspiring double cascade of icy water flows through woodland Oregon like something out of a Tolkien novel.

One man's quest to save his town with a trail of record-breaking sculptures.

Infamous marsh filled with toxic waste, World War II-era London rubble, and dead mobsters galore.

These unassuming lighthouses have seen the first reading of the Pledge of Allegiance, the first wireless transmission, and more than one mystery.

A giant light 13 feet high shines near Thomas Edison's old Menlo Park lab.

Vacant Beaux-Arts buildings that serve as reminders of a beach town’s glory days.

Rusting away on the edge of New Jersey are the remains of a Cold War missile launch site.

A unusual sanctuary for abused and exotic animals in South Jersey.

The creek where a shark wreaked terror upon New Jersey, and served as the inspiration for "Jaws."