A science fiction-inspired apartment building designed by a famous Spanish architect.

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

The world's largest wooden structure.

An architect transformed this abandoned cement factory into his castle-like workshop.

Turntable anonymously received orphans, alms, and groceries.

The largest Art Nouveau complex in the world is a Barcelona hospital with a 600-year-long history.

This bronze boar's snout has been rubbed to a golden sheen by visitors seeking good fortune.

Fortified medieval tower house with lovely roof garden.

Next to the Leaning Tower of Pisa is a cemetery home to ancient sarcophagi and disturbing murals.

A local student's chance encounter with Keith Haring led to the creation of one of Europe's largest murals.

The only visible reminders of an elaborate engineering project that kept the tower from reaching the tipping point.

The first botanical garden, a feather in the cap of the Grand Duke of Tuscany.

One of nature's most well-scheduled phenomenons resides in Wyoming's Yellowstone National Park.

Experience a charming 1930's version of "infotainment."

This almost a century old piece of architecture had been overlooked by most, except for the drunk and the homeless

A controversial artwork draws attention to the dark history of Prague's "Suicide Bridge."

Along a coast that sees the annual migration of humpback whales, a geological formation that takes the shape of a whale’s tail.

This Gothic church was wheeled in its entirety to a new location a half a mile away.

Nine bronze hands protruding from a wall honor the student uprising that led to the fall of Czechoslovakia's Communist government.

Synagogue built from the stones of Solomon's temple contains the golem of Prague.

Cold war icon and onetime "hole" in the iron curtain.

This Dresden church was purposely rebuilt Protestant after being demolished in World War II.

The popularity of Sherlock Holmes led to the creation of his fictional address, turning the orderly London street numbers askew.

The castle in the romantic landscape of Podyjí houses what may be Europe's largest collection of taxidermy dogs.