This magnificent market stands as a poignant symbol of the suffering caused by the Spanish Civil War.

Of the many chalices in the running for the Holy Grail, this one in Valencia Cathedral sure looks the part.

This abandoned viewing platform has become a monument to unnecessary government spending.

This architectural oddity is an oasis of green on the outskirts of Valencia.

This amazing example of Valencian Art Nouveau looks more like a cathedral than a public market.

This macabre masterpiece of a mural is one of Francisco Goya's "Black Paintings."

An iconic and controversial ancient Iberian funerary urn with a hauntingly penetrating gaze.

For decades, Puerta del Sol has been illuminated by a giant, guitar-wielding bottle of sherry.

This sweet-toothed bear searching for snacks has been a symbol of Madrid for decades.

A lush indoor jungle fills this bustling Madrid transportation hub.

A stone slab in Madrid marks the point from which the distances of Spain's national roads are measured.

Madrid's romantically ornate crystal palace has been offering shelter to plants and art for over a century.

One of the world's largest model railroads is a mind-boggling achievement.

This abandoned fishing settlement may well be the greenest village in the world.

Colorful mineral deposits turn these mountains into an Impressionist fantasy.

A small peaceful park and waterfall tucked amid the urban grind of Midtown Manhattan.

Lie in a hammock where George Washington stood.

One of the last few places in Manhattan that employed a pneumatic systemic keeps it on display.

The "Seinfeld" diner.

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

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.

An "inside out" building in the historical center of Paris, featuring Europe’s largest modern art museum.

Once the tallest building in the world, this abandoned church is now a monument to the destruction of WWII.

Hamburg's first legal sex work is relegated to a gated street that still does not allow pedestrian women.