Was there a small "backpack nuke" hidden in the attic? JFK apparently thought so.

Through the decades, Black music stars have performed at this historic hub for music and the arts.

Those with a sharp eye can find the hidden image of a German Shepherd on the memorial's Mural Wall.

This restaurant has been a haven for D.C.'s LGBTQ community since the 1950s.

The Byzantine, pre-Columbian, and medieval art at this stately mansion are some of the most under-appreciated collections in D.C.

This stunning blue and gold room changed cities twice before becoming part of the Smithsonian.

An obscure public service from the U.S. government that redeems burnt, moldy, and soiled old greenbacks.

One of the largest trees of its kind in California.

Heron, whitewater rapids, and urban industrialism all add to the beauty of this concrete nature walk.

Constructed during the roaring 20s, this restored historic hotel recalls its past as home to the first in-hotel distillery.

A massive, majestic mammal watches over pedestrians from his perch atop a former B.P.O.E. lodge.

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

The iconic statue was moved to a new spot overlooking the James river after several years as a mascot for the local baseball team.

The tradition of open-air secondhand and antiquarian bookselling in Paris dates back to the Renaissance.

Opened in 1976, this monster-sized version of the fast-food franchise is sometimes called the Epic McD.

An aptly-named street near the birthplace of the modern LGBT rights movement.

Outstanding taxidermy dioramas showcase the grandeur of the continent's wildlife with spooky realism.

The "Seinfeld" diner.

This isn't your average roadway—it's actually a National Park and a transportation pioneer.

Millions of numbers carved in glass represent the tattoos forced upon victims.

This small glass cube is a peaceful out-of-the-way sanctuary at the busy airport.

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

Not all airplanes are found in hangars or on runways, but this wayward fuselage seems out of place in its odd rural resting place.

Dating to 1793, this is the oldest building in Poolesville.