This dramatic rail curve was once the target of a failed Nazi attack.

America's oldest archaeological site or a muddled case of wishful thinking.

Tour the world's largest deep-hole dimension granite quarry, where you can view the plant where gravestones are made and roll a ball down the outdoor granite bowling alley.

This sandstone mansion was the home of two of Oregon's most important pioneers.

The magic's in the hole!

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

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

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

The largest wooden building in the world now houses a fascinating collection of aircraft.

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

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

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

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

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

Statue of Lenin, from Cold War era Czechoslovakia, now in a neighborhood of Seattle.

Allowing humans and fish alike to migrate from freshwater to saltwater and back again.

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

Rediscovered after a century, the father of the American Navy was reinterred in something dredged up from Davy Jones’ locker.

This statue honors the author's groundbreaking family story.

A faded sign from the 1920s remembers Baltimore's resistance toward banning alcohol.

A 200-year-old bar with a cheeky name claims to have served Edgar Allan Poe his final drink.

This bug-eyed water wheel uses the power of the Sun to clean up Baltimore Harbor.

Once America's tallest structure, now a Baltimore landmark.

Baltimore's classic clock tower was once topped by a rotating, 20-ton medicine bottle.