This bronze sculpture was inspired by a photograph of Martin Luther King Jr. and his wife embracing after he won the Nobel Peace Prize.

Dedicated to one of the darkest moments in Irish history.

A tiny plaque marks the location of the water source that facilitated the birth of modern-day Boston.

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.

This historic patch of real estate offers a glimpse of colonial Boston.

A mysterious stone embedded at the base of a historic Boston building.

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

Millions of numbers carved in glass represent the tattoos forced upon victims.

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

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

Dedicated to nine marines from Massachusetts who perished during the Beirut bombings.

This small glass cube is a peaceful out-of-the-way sanctuary at the busy airport.

This river ramp was once used by the elephants of a local circus.

The first regular high-definition TV transmissions were made from this seemingly out-of-place mast located on one corner of a Victorian-era entertainment venue.

A gigantic mechanical bull rages over unsuspecting passengers at Birmingham’s central station.

Noirish green neon marks the location of one of the oldest private detective agencies in France.

The site where two doves fell in love.

Walk upon the mementos of the dead in this Parisian courtyard paved with medieval tombstones.

The narrowest street in Paris.

This iconic Parisian bookstore doubles as the "Tumbleweed Hotel" for traveling writers.

A surrealist timepiece by the artist of melting clocks.

The video game-themed street art first popped up in the French city.

Indents in the pavement are all that remain from a grisly death machine in Paris.