A grand New York post office that is home to mailman Santas, scraps of postal history, and a pneumatic mail system.

Compensation for the destruction of a historic shipyard.

Here be dragons.

Outstanding taxidermy dioramas showcase the grandeur of the continent's wildlife with spooky realism.

In upstate New York, gorgeous waterfalls and a watermill are slowly being reclaimed by nature.

Hidden in plain sight on a pair of Manhattan subway tunnels are a pair of public instruments that sing to each other.

An overlooked memorial honoring the local Washington residents who died in World War I.

Look closely and you’ll notice that the color changes a third of the way up the tower.

The actual model from the original "Star Trek" series is now on display at the National Air and Space Museum.

A lonely Gondola stuck on a traffic circle sits in a spot where it once would have floated down the Grand Canal.

This quirky UFO-shaped curiosity is often mistaken for the airport’s control tower.

The blinking light atop the iconic landmark has been sending secret messages for decades.

An historic and oft-filmed spot for musclebound iron pumpers on the Pacific coast.

An L.A. traffic island where the faces of locals have been carved into massive granite eggs.

Historic funicular railway, believed to be the shortest railroad in the world.

After starting as a whimsical tourist attraction that eventually found its way to ruin, these renovated canals offer a lush and exotic locale on the Pacific Coast.

A spectacular remnant of an Adler and Sullivan masterpiece that was destroyed in 1972.

Chicago's Navy Pier on Lake Michigan was a training hub for aircraft carrier pilots during WWII.

Once called the "Polish Gold Coast" it is an icon of the neighborhood that bears its same name.

To find the "unicorns of the deep" you've got to go downstairs.

At 135 years old and counting, this historic print shop is heaven for poster nerds and music buffs.

This glass-stain Mary attracted thousands of pilgrims until her head was shattered by a vandal with a slingshot.

Manatees congregate around a power plant's discharge canal where the water is especially warm.

This Florida sinkhole hides a rainforest-like micro-environment in its depths.