A collaboration of art and ornithology mourns the calls of Sydney's lost birds.

A monument to the 4,114 Irish orphan girls who arrived in Australia between 1848 and 1850.

After a water tower painting was accused of being an ad, a simple fix was made that gave the city a motto.

This whimsical Oz-themed park had a wonderful impact on the surrounding neighborhood.

Watch the newest land on the planet form before your eyes.

An actual 1957 Cadillac De Ville, encased in 15 cubic yards of concrete.

This bronze sculpture on a former squash court marks the secret origins of the Atomic Age.

One of the largest pieces of scientific equipment ever carried on a NASA space shuttle sits in a Chicago alley.

An antiquated German apothecary on Chicago's North Side.

One of Chicago's last seafood smokehouses perfects a dying breed of fishcraft.

This urban drawbridge gained eternal pop culture fame when the Blues Brothers jumped it while it was raised.

What was once the second largest steel mill in the US is now a sprawling complex of modern ruins.

A historic and oft-filmed prison stands in a Chicago suburb.

Oversized statues are just the tip of this nostalgic Americana roadside attraction.

This tiny historic jail along Route 66 is the perfect fit for exactly one criminal and their partner-in-crime.

By day this New Orleans square is for pedestrians, but by night it is a kingdom of kittens.

The world's largest covered wagon is piloted by a giant Lincoln lawyer.

Abraham Lincoln's likeness rests at the top of this giant totem pole.

Once one of the world's great cities, Cahokia was a place of religious worship, trade and mass human sacrifice before being mysteriously abandoned.

The Old Courthouse takes visitors on a captivating trip through St. Louis' timeline.

The world's second largest rocking chair is found on Route 66 in Cuba... Missouri.

A 35-foot-tall fork stuck in the ground outside an office building in Missouri.

Less a museum than a bizarre fantasy world created by artists and engineers.

Bronze statue marks the spinach capital of the world.