A tiny monument to the unsuccessful attempt by Thomas Jefferson to place the prime meridian in Washington.

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

Ruins from the Parthenon and petrified wood line the interior of one of the world's most famous monuments.

Daredevil repair workers can worm their way out the access hatch, loop ropes over the apex and rappel down the monument.

The monument's pointy aluminum tip has been melted down by repeated lightning strikes.

A tribute to the pop culture icon overlooks this Washington D.C. intersection.

The beloved statue at the National Academy of Sciences is oh so inviting to sit on.

Partially submerged Buddha heads freckle Chicago’s neighborhoods.

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

Statue dedicated to the star of an old television show.

This was once the largest four-sided clock in the world (yes, even bigger than Big Ben).

A journey begins with a single step, and for many, the road-trip of a lifetime started at this Chicago intersection.

Four glass boxes hover over 1,000 feet in the air to give visitors an unparalleled view of Chicago.

The bugs crawling down the front of this office building are almost as big as a '68 VW Beetle.

A place to eat for on-the-run agents and espionage enthusiasts.

An outdoor urban gallery of large-scale artworks by the world's most influential street artists.

Take a stroll through this centuries-old tunnel of enormous moss-hung evergreens, nestled among the grounds of America’s first public sculpture garden.

Most historians agree that the so-called "Gentleman Pirate" wasn't much of either of those things.

This bare tree might not have leaves but it is constantly clothed in festive decorations left by mysterious local benefactors.

A Christian-themed amusement park and complex rocked by scandals.

The final resting place of the Seminole Indian chief who fought against government occupation in Florida.

A 400-foot-tall tall map of Chicago makes this once-ignored building stand out.

In 2004, a Dave Matthews Band tour bus dumped 800 pounds of waste off a bridge and onto an unsuspecting tour boat below.

The twin towers in this Chicago fountain use 50 foot tall video screens to spit on people.