A remarkable feat of Victorian engineering across the Firth of Forth.

Portland had a unique approach to Cold War-era protections.

A graveyard for early settlers, sometimes called Old Pioneer Cemetery, hidden in the woods on a hillside.

This trail leads to a mine that was used as a sanctuary during the Great Fire of 1910.

A nearly abandoned 19th-century town on the Palouse.

The site of the deadly Triangle Shirtwaist Factory Fire.

A terrific purveyor of natural history objects and curios.

The oldest living tree in Manhattan comes shrouded in sinister legend.

This tiny home was originally a narrow alleyway.

The 2,000-year-old Roman columns are hidden within Barcelona's Gothic Quarter.

An unusual stroll through gentlemen's erotica demonstrates that pornography is timeless.

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

The lush coastal city of Astoria is riddled with forgotten secret sidewalks.

Two massive rock outcroppings on the Oregon coastline.

The world's largest egg has been cracked a number of times over the years but has been repeatedly replaced.

This unassuming cheese empire in rural Oregon churns out more than 150,000 pounds of cheese each day.

The short-lived railroad town in central Oregon has been abandoned since the 1930s.

Despite a legend that says this highest peak in Oregon was climbed in high heels scores of people have died on its slopes.

Hollowed out cedar log tubs set in an ancient towering forest.

You might know it as the Overlook Hotel, but the inside is not going to be familiar.

According to legend, you must remain completely silent while passing this man-made mound or suffer the consequences.

This little slice of the Netherlands in the Pacific Northwest blooms in a rainbow of color each spring.

An extraordinary mixture of natural beauty and man-made phenomena.

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