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.

World War II-era Nazi compound nestled in the Santa Monica hills.

It should come as no surprise that the best view of the Hollywood sign is from Batman's lair.

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

An homage to everyone's favorite prehistoric cartoon family.

Most-visited and most-photographed slot canyon in the American Southwest.

Dramatic river bend surrounds a natural red-rocked pedestal.

The "Fun Spot of the Desert" is now a haunting ruin, and a reminder that putting a water park in a desert is a bad idea.

Ten 25-foot-tall, beehive-shaped kilns, abandoned in Death Valley.

The ghostly remains of an accidental sea.

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

At this Minnesota state park you can easily wade across the source of the mighty Mississippi.

A haunting army of decomposing, moss-covered stuffed animals and dolls guard this swinging truss.

A Perpetually Under construction Park.

An amazing collection of sculptures and art.

Four hundred granite steps were built into this massive rock by the National Park Service.

Quite simply the largest tree in the world (by volume).

The watery grave of an impractical idea.

Despite repeated attempts to make it work, this former mining town is now nothing but dust and memories.

The deepest lake in the United States, and once the site of epic destruction that lives on in legends.

Stroll through a wonderland of stupendous moss-covered trees.

The longest continuous lava tube in Oregon.

The remains of a World War II munitions factory still haunt the fields of this Twin Cities suburb.

A fitting attraction for the corn capital of the world.