Frank Lloyd Wright's most iconic home dangles over a Pennsylvania waterfall.

A sign at the end of the Santa Monica Pier marks the traditional end of the legendary American highway.

Kings Cross Station pays tribute to its role in Britain's best-selling book series.

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

San Francisco's newly reopened hands-on science museum.

There is no trying to fall in love with this Star Wars fountain, you just do or do not.

The last remaining relic of San Francisco's glittering 1915 Panama Pacific Exposition.

A dramatic, 360-degree recreation of Pickett's Charge in the Civil War.

Not far from the more famous House of Juliet, visitors will find the supposed residence of her lover.

Pilgrimage site for star-crossed lovers.

The sign that drew attention to a young boy's cucumber stand is now the name of his fruit superstore.

A mysterious castle built as a monument to lost love.

This Venice bookstore has resigned itself to constant flooding by keeping its books in bathtubs and boats.

The gorgeous library at Trinity College is home to remarkable treasures of Irish identity.

This private residence was the template for one of the most beloved television homes of all time.

The celebrated eyesore created by starry-eyed sweethearts.

On the Spree bank, discover one of the last reminders of a symbolic wall that divided, and was torn down by the people.

Famously misunderstood wonder of the ancient world

A layered tribute to the work of mosaicist Isaiah Zagar.

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

Step inside Lucy, the world's largest "elephant."

The vast, legendary catacombs hold secrets much stranger than stacked bones.

Hidden beneath a washing machine in a fake kibbutz, this secret bullet factory has been preserved as a museum.

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