This smaller cousin of the Forbidden City has gone from ancestral sacrifice to tourist's whispers.

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.

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

This plot of old-growth forest is the largest surviving remnant of New York City's original woodland.

Curious crustaceans support an obelisk from ancient Egypt that now stands in modern-day Central Park.

During the 19th century, you could pay for violence off a prix fixe menu on this Manhattan street.

Plot your trip through the city on the sidewalk.

A popular European tradition makes its way to the states on one of America's most famous bridges.

An uber-secure, windowless tower of doom in the center of Manhattan is an NSA spyscraper.

Wall Street has a new heroine, a bronze statue of a small but fierce girl.

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

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

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

Narrowest house in Boston.

What was once a true peninsula has now been filled in, causing the water to recede and leaving many streetside "waterfronts" and landlocked "islands."

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

Historic Hull Street was actually the first street with a proper name in the Boston area.

Walk over a 150 year old manhole.

The first museum in the world devoted to sexual gadgetry.

Macabre astrological automaton clock dating to the late 1400s.

Climb inside an iron crystal magnified 165 billion times its normal size.

A little sculpture with a large wardrobe.

These slanted cubic abodes are a creative if odd solution to a zoning pickle.