Tucked away amidst some of the most famous addresses in the world is New York’s only fraction of a street.

A horde of stray cats rule in this secluded Parisian cemetery under a bridge.

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

A stunning, two-tiered waterfall made famous by poets, artists and the legend of a ghost dog.

This ornate Victorian marketplace was the setting for Diagon Alley and the Leaky Cauldron in the first ‘Harry Potter’ film.

One of Antoni Gaudí's most classic buildings is well-known for its "dragon-back" design.

A 200-year-old bar in the historic French Quarter refuses to give up its place in history, nor its role in securing ours.

The larger of two volcanic peaks rising out of the crystalline waters of the Caribbean.

Near-constant high winds deform the trees on Spruce Knob, the highest point in West Virginia.

Spectacular mineral formations fill these caves, which have been used for everything from smoking meat to stashing illicit liquor.

A monument to a beloved aquatic folk hero in the Irish town of Dingle.

Thomas Jefferson's estate is home to hundreds of varieties of historic fruits and vegetables.

Designed by Buckminster Fuller, this relic of the 67 Expo survived fire and ice.

I-95's Tijuana-style celebration of kitsch at the Carolina border.

Beneath its placid surface, one of New York City's primary sources of drinking water hides a haunted past.

This ancient sinkhole-turned-healing-pool is a treasure trove of archeological discoveries and may even be the Fountain of Youth.

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

A working steam clock, one of only a few in the world, located in Vancouver's Victorian Gastown.

This 1967 experiment in modular architecture was designed to be a new model for urban living.

Feast on cuttlefish ink-stained paella by the beach.

Grab a slice of Catalonia’s famous flatbread in a space with ancient Roman roots.

Touching mementoes from those who didn't make it back from World War I still hang in one of New York's oldest bars.

Royals, rebels, and artists have all conversed at this grand 19th-century Viennese coffee house.

The oldest family-run luncheonette in New York, last renovated in 1948, still serves food and drinks the old-fashioned way.