Thousands of pieces of art have been carved into the rock at the site of an ancient volcanic eruption.

Yup, that's where the name came from.

A preserved stretch of ancient fossilized trees with an impressive gem collection to boot.

A historic Civil War estate-turned-museum looks back on the Confederate States of America.

A small museum celebrating the work of a Mississippi artist who had a unique connection with the natural world.

This house designed by Frank Lloyd Wright and Louis Sullivan was destroyed twice and reconstructed to near original condition.

By day this New Orleans square is for pedestrians, but by night it is a kingdom of kittens.

This free sculpture garden is home to over 90 artworks and installations from artists around the world.

Florida’s half-sized replica of the Vietnam Veterans Wall.

This hulking behemoth is actually five interconnected towers built in the 1960s.

Legend says one of the world's largest marine geysers is actually a whale that got wedged within the rocks.

Approximately 65,000 gallons of crystal clear water pour out of this headspring every minute.

The second-largest cave chamber in the world was discovered in 1898 by a 16-year-old and a friend known as "Pothead."

A wild west cemetery in Tombstone, Arizona, provides a window into the Old West.

An old saloon in the West filled with history, and according to some, a few dozen ghosts.

Bootleggers ran booze beneath this building before (and after) Route 66 appeared beside it.

These elusive, isolated rodents evolved into a distinct, locally iconic subspecies.

This small interfaith chapel lies not far from the rim of the Grand Canyon.

The remnants of a creative early method of wildfire prevention.

The location along the shores of the Great Salt Lake of what was once called, "The Coney Island of the West", now sits barren due to arson and time.

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

A wonderland of caves in eastern Iowa.

A giant Troll lurks under one of Seattle's oldest bridges.

The interior of the Overlook Hotel in "The Shining" was based on this Yosemite original.