One of the oldest producers of hand-folded fortune cookies still uses its original secret recipe.

A mysterious painting of the self-declared Emperor of the United States watches over a local hof-brau.

This 19th-century church is now a popular roller rink.

Golden Gate Park's historic collection of plants.

San Francisco's urban bison herd has persisted in the face of extinction, development, and disease.

Relics of the 1894 Midwinter Exposition continue to delight visitors today.

In all of the 29 years it was in operation, no prisoners ever escaped successfully... or so they claim.

A huge musical instrument played by the ocean.

A new sculpture calls attention to climate change in the centuries-old city it threatens.

One of the largest squares in Europe contains an entire artificial island.

According to tradition this is the oldest church in Venice, but its actual age is a mystery.

In the past, Renaissance sex workers were encouraged to entice customers on this bridge.

Something's missing between the arcades of the Palazzo della Ragione in "the city of the three withouts."

The tomb of the mythological founder of Padua is not hidden in some obscure crypt, but stands right in the middle of the city square.

The people of Padua pledged to construct this church if the city was spared from destruction during World War I.

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

The ruins of the largest gladiatorial school in Rome are largely hidden under modern streets.

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

On the shores of Lake Garda, the ruins of a Roman villa that allegedly belonged to the poet Catullus.

An 18th century fountain and two columns are all that remains of Rome's forgotten river harbor.

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

A copy of the famous statue can be found in this Florence piazza, along with one of the most breathtaking views of the city below.

The only museum with its curator—and her pets—buried inside.

The oldest botanical garden in the world that technically isn't the oldest.