In an area known in Bratislava’s postal history, this sculpture sits equipped with a functional postbox.

Canada's oldest sugar maple has been growing since around 1500.

This mill on Lake Erie appears to shrink as a viewer approaches thanks to an optical illusion.

Niagara Falls holds a special place in Nikola Tesla's history, so they put a statue on it.

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

The first spinning jail built in the United States is the only one that still turns.

This downtown Dallas art installation is always on the lookout.

This small shop walked so America could run on Dunkin'.

A clone-tree in Washington Square Park sprung from seeds that went to the Moon and back.

Mural made of 100,000 pieces of hand blown glass, and until recently, the largest glass mural in the US.

An ode to Japanese artist Hokusai, with a bit of a comical twist.

A single light illuminates one man's overshadowed contributions to street lamp history.

A monument to the first person to sail around the world solo, nowhere close to where he was born, set sail, or landed.

A castle on a hill once named "the most beautiful high school in Massachusetts."

This museum dedicated to local history is housed in the state's oldest surviving fire station.

Once a kitschy symbol for a gift shop, this 38-foot seahorse is now a staple roadside attraction.

The former home of Samuel Clemens and family remembers the happiest period of the author's life.

Ironically this massive termite is the mascot for a company that is acclaimed for killing his kind.

Rhode Island's tallest building bears a resemblance to the "Daily Planet" building and has been empty for more than five years.

Kings Cross Station pays tribute to its role in Britain's best-selling book series.

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

This structure atop a craggy cliff in one of the most beautiful parks in Paris boasts an unbeatable view.

The water-powered carriages are long gone, but for over a century this funicular railway has been the fastest route to the highest point in Paris.

This small red school was where Germany signed their surrender during WWII.