Originally used to sell brandy, the bull-shaped billboard became an iconic symbol of Spain.

An overlooked memorial honoring the local Washington residents who died in World War I.

Before Nixon, "watergate" meant canals.

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

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

The national park was once a plantation estate.

Fittingly, America's museum of architecture is itself a magnificently designed old building.

The studio built by fascists in the hopes of "reviving the film industry" with the occasional propaganda film opportunity thrown in.

This giant wire frame man sculpture is crouched in contemplation.

Elaborately carved to showcase the glorious wealth that the age of exploration brought to the Portuguese empire.

This Industrial Age architectural and engineering gem helps visitors and residents alike traverse Lisbon, “The City of Seven Hills.”

A king's pet, a pope's gift, an artist's inspiration, and a tragic shipwreck.

A natural arch carved by a river gave its name to the so-called "Cave of Forgotten Dreams."

France's high-tech, future-themed amusement park.

This ancient theater was once the home of fierce gladiatorial battles.

This stunning French estate was so lavish that it landed its original owner in jail for the rest of his life.

This Parisian gem is one of the most incredible ethnographic museums in the world.

The Argonaute submarine was the French navy's pride and joy in the 1950's.

An odd museum dedicated to French fakes.

A series of abstract, silly sculptures represent the works of a great modern classical composer.

Museum on French naval history, with magnificent figureheads, a historic diving suit, and a boat used by Napoleon.

The water-powered carriages are long gone, but for over a century this funicular railway has been the fastest route to the highest point in Paris.

Natural history museum celebrating biodiversity with a parade of taxidermy animals.

The first green space constructed on an elevated viaduct.