The oldest stone house in Paris was built by its most famous alchemist.

This iconic Parisian bookstore doubles as the "Tumbleweed Hotel" for traveling writers.

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

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

The well-preserved remnants of a bridge that once made up a WW1-era military railroad.

The last of Fairfax County's one-room schoolhouses.

This "castle" is actually a limestone and quartz formation hidden along a trail.

Once the largest trading firm of enslaved people in the U.S., this building is now a museum that preserves Alexandria's dark past.

The hide of Stonewall Jackson's equine sidekick is on display not far from where the ashes of his bones are buried.

This twice-relocated "Usonian" home is among the smallest built by master architect Frank Lloyd Wright.

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

The U.S. Army's giant warehouse of war art includes Hitler’s watercolors and Norman Rockwell oil paintings.

This sprawling farm was once a Cold War-era hideaway for the nation's top diplomats.

Extraordinary objects lurk in this quintessential regional museum.

Hear, smell, see, taste, and touch history at this immersive Civil War hospital.

Collecting 700 years of mechanical death-dealing, the NRA's sprawling gun museum is a revealing testament to the American obsession with armament.

An extensive, if one-sided, history of U.S. law enforcement's war on drugs.

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

A quintet of history museums make this Virginia graveyard as much a resting place for funereal history as it is for people.

The narrowest house in America is seven feet of pure spite.

An original apothecary from 1792.

This Virginia railway overpass is said to be haunted by a serial killer in a rabbit costume.

Exact replica of the ancient monument, but much, much lighter.

This popular bar has been blurring the line between normal and edgy for more than 75 years.