One of the largest underground systems runs under Canada's largest urban center.

Stolen goods adorn the organ at Old North Church.

An interesting decoration on this historic site, this weathervane comes with as many legends as it does questions.

Silverware in the sidewalk outside a grocery store cements this neighborhood’s Italian culinary history.

A former waterfront market is now in the center of town due to some interesting Boston engineering.

The site where Charles Dickens gave his first public reading of "A Christmas Carol" in the US.

This massive tea kettle was once a promotional stunt for the Oriental Teashop.

Mrs. Mallard and her brood are a beloved fixture in Boston Public Garden.

The site of Paul Revere's historic two lantern warning.

The site of one of the strangest disasters in history—a wave of deadly molasses traveling at 35 mph.

The American Revolution was galvanized into serious action due to the tragic clash with British soldiers that occurred at this location.

Macabre headstones carved with winged skulls, dancing skeletons, and pithy reminders of impending death.

The iconic boulevard is the perfect place to catch sight of a bicycling skeleton, a levitating Satan, or a chef with his head stuck in a pizza.

Mountain where Jesus was first tempted by the Devil.

Gaudí's famously flamboyant architectural style is on full display in this sprawling park and garden.

This cemetery features modernist statues as strange as its name.

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

Construction of Barcelona's iconic (but controversial) church is expected to be completed in 2026—a century after the death of its architect.

These delicate buggers are some of the rarest fossils that have bubbled up from the Tar Pits.

Formerly known as Saville Theatre, this mid-20th-century entertainment hub includes an ornate frieze.

Chelsea's soldiers were given strict orders when crossing this historic bridge.

The Great Fire of London and the regulation of one-way streets both started in this alley.

This Underground station has been a popular filming location for decades, even before it closed.

The medieval woodcut-style artwork chronicles life in medieval London.