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

Home of Howard Hughes' Spruce Goose.

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

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

A tribute to the Nirvana frontman hides beneath the bridge that was the singer's beloved hangout spot.

This tree has witnessed nearly 1,000 years of history.

A glimpse into the "Logging Capital of the World" at a time when there was far more forest and far less machinery.

An American city stranded at the tip of a Canadian peninsula where strict adherence to the "49th parallel rule" became problematic.

This sci-fi gazebo located in a Washington power town is made from old bits of industrial electrical equipment.

The historic bar where local ship captains, traders, and gold miners would come together to do business a century ago.

42nd story Pyramid shaped penthouse tops Seattle's oldest skyscraper.

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

Inspired by a piece of concrete, these three pyramid-shaped buildings have been beloved Indianapolis landmarks for over 50 years.

This vacant station is a relic of harvest processing techniques of the mid-20th century.

This picturesque beacon was built to keep boats safe shortly after the Civil War.

Easily overlooked in favor of the wineries that dot the region, this blast from the past is equally worth the visit.

For more than 50 years, an iconic sign has greeted visiting “fudgies” to the Traverse City area.

Talula the swan has been welcoming visitors to Elk Rapids, Michigan, for more than four decades.

There's more contention than one might expect from cherry pie pans.

Strange physical sensations and optical contradictions keep visitors coming back for more.

Miners in Michigan developed a taste for Cornish beef pasties, which this roadside stand has been selling since 1947.

This titanic oil company sign is a reminder of the Americana boom of the 1970s and also its commoditization.

A commemoration of over 150 of St. Louis's favorite sons and daughters.

What was once a presidential estate is now an exotic menagerie and home to the Budweiser Clydesdales.