Narrowest house in Boston.

The bears may be gone, but their old cages can still be found.

The site of one of the strangest disasters in history—a wave of deadly molasses traveling at 35 mph.

The American Revolution was galvanized into serious action due to the tragic clash with British soldiers that occurred at this location.

Two thousand artifacts from around the world collected by one woman who loved to travel.

A tribute to the beloved, kind-hearted "homeless mayor" of Silver Spring.

This rare triple-jurisdiction drawbridge passes through Virginia, Maryland, and Washington, D.C.

Captain John Smith thought these cliffs were amazing in 1608 but sharks thought so 20 million years before him.

The remnants of a wooden-hulled fleet built and abandoned in WWI, now home to a thriving ecosystem.

The land is home to swimming ponies and a legendary 18th-century treasure.

It's not hard to see why the historic Peabody Conservatory of Music's library has been described as a "cathedral of books."

A serene but haunting memorial to protective wetland lost, the absence of which directly damaged the Lower 9th Ward following Hurricane Katrina.

After the oysters have been shucked, and the restaurant's been shuttered, the terrazzo sidewalk from the 1940s is all that remains.

Colorful, cheeky signs spill out of legendary New Orleans folk artist Dr. Bob's Bywater studio warning you to "Be Nice—Or Leave."

Striking images of New Orleans history, including colonizers, soldiers, Klansmen, scientists, sharecroppers, and more, are depicted in frescoes that line the walls of this transportation hub.

This New Orleans statue of a portly figure in a goofy hat pays homage to a classic of satirical literature.

The world-record holder for the longest bridge stretching continuously over water.

Parts of the civil rights movement unfolded in this historic eatery, helmed by the "Queen of Creole Cuisine."

Shop for books in the New Orleans house where William Faulkner once lived.

This unique shop is full of memento mori art, antique medical equipment, secret society paraphernalia, and historical relics.

Storyville was New Orleans' historic red light district and hotbed of jazz music, sometimes referred to simply as "The District."

New Orleans' famous cemetery, located on the site of a former race track.

A 200-year-old bar in the historic French Quarter refuses to give up its place in history, nor its role in securing ours.

This recently rediscovered Civil War-era submarine was the first to ever sink an enemy ship.