Scattered around Atlanta are little doors with big charm.

An underground magnet for ever-changing street art.

Monument to the cotton-destroying boll weevil.

One of almost 200 confirmed impact craters in the entire world, untouched for tens of millions of years.

This community on a small Venetian island has taken to painting their houses in bright neon hues.

See massive fossils that are over 200 million years old in northeastern Arizona.

The largest hot spring in the United States is, as the name suggests, a stunning show of natural color.

Eighty million natural history specimens call this gargantuan museum home.

A beautiful geyser under environmental threat.

The perfectly preserved underground rooms where Churchill plotted the war against Germany.

Hollywood's most famous landmark, the "temporary" sign that has stood for decades longer than intended.

The fairy tale castle of the "fairy-tale king."

Giant busts of 42 U.S. presidents are sitting in a field in Virginia.

The neon signs from Las Vegas' past find their final resting place at this unusual graveyard.

An artsy hidden staircase leads to breathtaking views of San Francisco.

A propulsion engine testbed that paved the way for the Space Shuttle launch sits without recognition at this rocket center.

It may look like no more than a full-scale model, but every part of this full Space Shuttle stack had a working role in aviation history.

A 56-foot tall statue of the god of fire looks out over Birmingham, Alabama.

Once one of the largest producers of pig iron in the world.

These ruins are all that's left of the former Alabama State Capitol.

A rusted metal giant pays tribute to Birmingham’s industrial past.

The site of the notorious Camp Sumter Prison is now a peaceful memorial.

A fascinating aviation museum where you can chat with the veterans who once flew the aircraft on display.

At Macon’s oldest cemetery two members of Allman Brothers are buried side by side.