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

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

Now housed in a museum, this giant pink elephant stood in downtown Seattle for more than 60 years.

A community gathering place that once housed half-ton tanks and the World's Fair.

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

A French chateau, failed utopian community, odd museum, and Stonehenge replica in rural Washington State.

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

The only bridge in the United States where BASE jumping is legal without a permit year-round.

These falls, sometimes called the "Niagara of the West," still put on a good show at the right time of year.

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

A wall of chewing gum moonlights as collective art.

At the most northwestern point of the contiguous United States lies a trail leading through an ancient forest to stunning cliff-side vistas and massive oceanside caves.

The longest spit in the United States ends at a lighthouse in the Strait of Juan de Fuca.

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

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

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

These old stone ruins in the Oregon wilderness were once bathrooms and are steeped in legends of murder.

The world's smallest park was dedicated in 1948 as the only colony for leprechauns west of Ireland.

This giant temperature attraction created some giant electric bills.

Finally the worlds of UFO enthusiasts and beef jerky lovers have come together in this roadside shop.

Brightly colored 30-foot-tall totems light up the desert sky just outside Las Vegas.

A Norwegian-born sculptor created these soaring guardian angels at the entrance to Hoover Dam.

A few dilapidated structures are all that remain of this deserted former silver mining town.

A sprawling museum located on the former site of the Orphan Girl Mine.