Bootleggers ran booze beneath this building before (and after) Route 66 appeared beside it.

A super-sized promotional trick that is now a D.C. landmark.

This grand gothic brewery has been pumping out suds for over a hundred years.

Dolls of all shapes and sizes display the eras of femininity in this spooky and beautiful collection.

In the middle of downtown Brooklyn lies a 165 year old secret hidden right below the surface (closed to the public indefinitely).

This banal Parisian entranceway is not what it seems.

The unique traffic pattern named for an influential urban planner is also known as the Pedestrian Scramble.

A clone of a cloned tree that was so important it allegedly had its own guards.

Marigolds, rosemary, Madonna lilies, and the Virgin’s Bower decorate this Massachusetts sacred garden.

A popular shrine where the Blessed Virgin allegedly appeared in 1830, displaying a holy armchair and two incorruptible remains of Lady Saints.

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

Long-abandoned trolley tunnels just a mile away from the White House are turning into an art space.

The oldest continuously operating fish market in the United States.