Mass Grave of 48 colonists killed in a raid by Native Americans and the French in 1704.

The only intersection in America where the buildings on all four corners were built pre-Revolutionary War.

Three and a half miles of cliffs, rocky beaches, Gilded Age mansions and 40 Steps to nowhere in particular.

Once known for its horse-powered knife sharpening, this 200-year-old shop offers an array of blades and hard-to-find culinary tools.

Legend has it this fountain built to symbolize the Pope’s power hides a strange secret concerning Neptune's manliness.

A small window on Via Piella offers a lovely and rare peek at Bologna's lost canals.

The intricate geometry inside this Baroque-style dome was designed to create "terror of the human soul."

This monumental fountain has moved around the city multiple times.

This shining multicolored metro station deep under Naples is said to be the most beautiful in Europe.

This home designed for chocolate magnate Antoni Amatller is an exquisite treasure-box of Catalan Modernism.

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

Step inside the first house designed by Catalan architect Antoni Gaudí, considered to be one of the first Art Nouveau buildings.

The ruins of a church destroyed by both the Great Fire of London and the Blitz, now turned into a peaceful garden.

A quiet memorial to those who died saving others in the heart of the City of London.

The Tudor-style cottage in the middle of the square is not quite what it seems.

Giant, friendly pelicans in Central London, the most unlikely of places.

A statue marks the exact spot where The Boy Who Never Grows Up made his first literary appearance.

London's old-school healing garden.

A cluttered and astounding collection of antiquities and curiosities.

This ornate Victorian marketplace was the setting for Diagon Alley and the Leaky Cauldron in the Harry Potter films.

400-year-old garden, restored to beauty.

A island reachable by a causeway at low tide is possibly one of the earliest Western European locations to be identified in text.

Inside this library, the history of Los Angeles is retold through a mural.

A Romanesque sanctuary of calm amid the bustle of downtown Los Angeles.