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

Once decrepit and slated for demolition, now one of the longest pedestrian bridges in the world.

More than five miles of underground passageways.

They call this long foot bridge a swinging bridge, but really it's the bouncing you have to watch out for.

This lovely burial mound is actually a replica that was installed after archeologists excavated the original.

This abandoned factory on the Hudson River once churned out a million bricks a week.

A collection of 20th-century automata, penny arcade games, and musical contraptions.

This angular brutalist playground turns playtime into modern art time.

All you ever needed or wanted to know about America's favorite whiskey, but not a drop to drink.

One of the world's tallest Ferris wheels takes visitors high above Las Vegas in a spinning party room.

Dyed by iron oxide over centuries, these sandstone rocks rise thousands of feet into the sky.

Japanese gardens dedicated to the Japanese farmer that refused to throw in the trowel.

This abstract roadside poultry was saved from demolition by outraged drivers and pilots.

This massive store is home to an eccentric collection of vintage, retro, and peculiar goods.

Georgia's highest point was given its strange name thanks to a simple translation error.

A man's home is his castle.

The remains of one of America's first radiation testing grounds still rest ominously in a Georgia forest.

Concrete strongholds stand guard over the Golden Gate.

An abandoned horticulture institute gloomily presides over rows of derelict and vine-wrought greenhouses.