The seamy, underground secrets of Portland's criminal past.

An emporium for the weird, creepy, rare, and just plain gross.

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

A beautiful 62-acre Catholic shrine and botanical garden.

This extravagant Art Nouveau rest stop features a million-dollar view of the Columbia River.

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

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

10,000 flowered plants bloom in the City of Roses.

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

At Washington's Dulles Airport is a satellite museum (no pun intended) with three quarters of a million square feet of aircraft history.

This free, take-a-book shop seems like a trick but isn't.

This supermarket is suspended 25 feet above an interstate highway.

Rising 30 feet in the air atop Quarry Hill, the Old Powder House is the oldest stone building in the state of Massachusetts.

With over 100 jam-packed rooms to explore plus elaborate tea services and events, the Mansion on O Street is a hidden treasure.

A daring D-Day assault by U.S. Army Rangers is commemorated atop the high cliffs of this strategic point.

A French museum of wrought iron.

An ancient ossuary in Rouen.

A memorial to the nearly 10,000 American soldiers laid to rest on the beaches of Normandy during WWII.

Located in the house where Gustave Flaubert was born, this odd museum has more to do with medical grotesquery than the Western novel.

France's most famous cemetery, with some of its most curious tombs.

The vast, legendary catacombs hold secrets much stranger than stacked bones.

It houses the remains of a 17th-century version of the Titanic.

This picturesque view of the Scottish Borders was beloved by Sir Walter Scott.

A National Historic Landmark with a scenic clock tower and park filled with deer and peacocks, plus a military museum.