A huge musical instrument played by the ocean.

This whimsical Oz-themed park had a wonderful impact on the surrounding neighborhood.

With over 100 jam-packed rooms to explore plus elaborate tea services and events, the Mansion on O Street is a hidden treasure.

The site of the climactic scene from the classic horror film is now a historic landmark.

A collision of human error and natural geothermal pressure created this rainbow-colored geologic wonder.

The artist James Turrell is repurposing an extinct volcano crater as an observatory to experience the cosmos.

The Magical World of George Phar Legler.

The story of Two Guns, Arizona could easily be described as a Shakespearian tragedy on Route 66.

An arsenic-filled pool in the Grand Canyon takes on the appearance of a giant, overflowing pumpkin.

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

An abandoned facility that has become a place of ritualistic satanic worship, or so rumor has it.

This secluded aqua waterfall in the Grand Canyon is the perfect swimming hole, and the Havasupai tribe's fiercely protected natural wonder.

Rippling sand dunes frozen in the Arizona rock.

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

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

One of the world's oldest and most massive living organisms is a grove of quaking aspens.

This Virginia railway overpass is said to be haunted by a serial killer in a rabbit costume.

This once-palatial plantation may have been the site where a draft of the Declaration of Independence was written.

Nine of the very few concrete ships ever made in the U.S. are beautifully decaying off a Virginia pier.

An organ located deep within a cave, whose "pipes" are the geological features of the cave itself.

A railroad tunnel that, upon its completion, was considered one of the engineering marvels of the modern world.

An alternate history park where the Union Army loses the war... to dinosaurs.

The ruins of this Thomas-Jefferson-designed mansion have been left to crumble since the Christmas Day they burnt down.

Heron, whitewater rapids, and urban industrialism all add to the beauty of this concrete nature walk.