Poetic, metallic giraffes adorn a square off an Edinburgh thoroughfare.

This otherwise ordinary close on the Royal Mile constituted the end of the world for Edinburgh’s poorest residents.

Underneath the bustling city streets, a hydroponic farm grows unique herbs in an urban oasis.

This striking arch, one of the first architectural elements constructed in Prospect Park, was recently restored to its original glory.

This enormous banquet-themed artwork honors over 1,000 notable women throughout history.

Sniff the Titan Arum's rotting flesh.

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.

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

The remnants of a Gilded Age elegance preserved in the middle of a stark modern tower.

These structures serve as a memorial to one of Boston’s most ambitious and controversial urban redevelopment projects.

What may be Boston's finest Art Deco building, located in the city's Financial District.

This art center is way beyond your average pumpkin-carving operation.

Dedicated to the art and science of glass in equal measure, this space is as much laboratory as museum.

This beautiful Brooklyn monument over a crypt memorializes a grim and largely unknown story from the American Revolution.

Deep into the lower floors of Pike Place, find a date with fowl fate.

This 220-year-old house is a reminder of New York City's Dutch past.

A fantastic place to see murals, and an important location in the history of Toronto's legal street art scene.

Plot your trip through the city on the sidewalk.

Try not to get slimed in Tribeca.

Imagine having a street run right through your home, or better yet, a historic bridge three stories high.

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

A tiny museum housed in a New York freight elevator specializes in the "overlooked, dismissed, or ignored."

One of the tallest buildings in Iceland, and perhaps, the most visually impressive.