Members of Congress have traveled between the buildings on Capitol Hill for a century hidden from tourists, press, and storm clouds.

A haunting tribute to pioneering photographer Clover Adams.

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

The beloved statue at the National Academy of Sciences is oh so inviting to sit on.

This Welsh village gave itself a ridiculous name in a publicity stunt a century ahead of its time.

This stately monument has been wearing a traffic cone hat for decades much to the delight of the locals.

Inside a former cabaret, seven floors of erotic art.

The celebrated eyesore created by starry-eyed sweethearts.

The video game-themed street art first popped up in the French city.

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

The final resting place of the "father of special effects."

The tomb of history's greatest potato promoter is surrounded by tubers.

Stripes of human ashes cover a back lawn in the most sought-after burial grounds in Paris.

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

How did a French journalist’s grave become the sexiest statue in the cemetery?

Exquisite wall sculptures carved in secret by an early quarryman in an obscure corner of the Paris Catacombs.

This bridge was constructed from the rubble of the infamous Bastille.

One of Ireland's most infamous prisons for rebels including men, women and children.

Experience what life was like in Ireland during the Viking and medieval ages.

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

The world's largest piece of copyrighted artwork.

This nearly 200-year-old restaurant's history includes an exiled French prince, JFK, and a very hungry Daniel Webster.

An interesting decoration on this historic site, this weathervane comes with as many legends as it does questions.

A former waterfront market is now in the center of town due to some interesting Boston engineering.