A popular swimming hole that hides one of America's most deadly diving spots.

A wall of chewing gum moonlights as collective art.

The lush coastal city of Astoria is riddled with forgotten secret sidewalks.

Despite being one of the most photographed vistas in the Rockies these twin peaks are rightfully known as the "Deadly Bells."

This rugged area of red rocks and arches is often considered one of the most beautiful places on Earth.

An extraordinary mixture of natural beauty and man-made phenomena.

Historic funicular railway, believed to be the shortest railroad in the world.

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

The highest bridge in America was built for an almost unnervingly small amount of money.

Home to the largest urban bat colony in North America, estimated at 1.5 million bats.

Hidden beneath a bridge, this waterfall is known for the large amounts of graffiti painted on its base.

Giant, natural amphitheaters made of delicate geological formations called "hoodoos."

A bizarre roadside attraction and the first instance of miniature golf in the world.

This symbolic piece of New Orleans architecture is also home to a few ghastly stories.

The mysterious wonder of an underground waterfall is illuminated by multicolored lights.

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

This historic "City of the Dead" lies prominently in the center of New Orleans' famous Garden District.

No one knows how this Pacific Northwest spruce tree came to have so many trunks.

The largest self-built castle in the U.S., six decades in the making.

Wild lights and sound effects turn a walk through some caves into an eye-popping 1960s tourist attraction.

Scores of vintage street lamps shine along L.A.’s Miracle Mile.

Strange red rock formations that have been attributed to a higher power for hundreds of years.

A heavenly experience, right here on Terra Firma.

This geothermal hot spring hides beneath a slowly growing mineral dome.