The headquarters in Salem doubles as an occult art gallery.

The only structure left with direct ties to the Salem witchcraft trials of 1692.

A former major munitions plant that has been converted into a sprawling art space.

The final resting place of an unidentified revolutionary soldier sits behind a Virginia church.

This brick-lined pedestrian walkway was once a railway tunnel used during the Civil War.

This advertisement for talcum powder was painted on the rock face and has since defied removal.

The last holdout of a pre-Civil War rebel who took the matter of slavery into his own hands.

Time travel with sweets across history at this research-based candy store.

This three-story Victorian mansion is now home to the National Park Service’s Historic Preservation Training Center headquarters.

The only road through the heart of Glacier National Park.

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

A heavenly experience, right here on Terra Firma.

The deepest lake in the United States, and once the site of epic destruction that lives on in legends.

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

Built for a motel, this cartoon dino is now a symbol of the area's paleontological heritage.

The semi-reclaimed ruins of this canal were once part of an ambitious plan to reroute the mighty potomac.

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

This pun was simply waiting to come to life, and one defense contractor made it so.