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.

The world's longest known cave system.

A beautiful geyser under environmental threat.

The oldest cemetery in New Orleans, resting peacefully for over 200 years now.

Here, at the “world’s longest art gallery,” you’ll find forty miles of ancient petroglyphs and pictographs.

A museum dedicated to the history and exploration of both popular music and science fiction.

This New Orleans tree is filled with hidden chimes that produce a carefully tuned melody.

A museum and shop on Bourbon Street located in the French Quarter.

A roaring, awe-inspiring double cascade of icy water flows through woodland Oregon like something out of a Tolkien novel.

Paranormal experiences in this hotel's room 217 led Stephen King to write "The Shining."

The final resting place of New Orleans' most famous voodoo priestess.

A 200-year-old bar in the historic French Quarter refuses to give up its place in history, nor its role in securing ours.