A little piece of the Shire is hidden behind a plant nursery in Port Orchard, Washington.

Brightly colored 30-foot-tall totems light up the desert sky just outside Las Vegas.

Found art has transformed this Pittsburgh neighborhood into a psychedelic dream.

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

The tea room that pushed the boundaries of adorable straight into...we can't find the words.

A meditative space out of a fantasy story.

Eons ago, a rushing lava river formed this pristine passage through solid rock.

This Big Sur waterfall drops 80 feet directly into the Pacific Ocean, and inspired the hillside house up top.

Eons old volcanic activity created one of the most stunning rock formations in the United States.

The oldest surviving synagogue in New York City is now a soaring art space.

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

Visible below the waves are memorials to the city's Gold Rush dead.

Explore 10 acres of environmental sculptures.

A whimsical village of unique treehouses resides in a Washington forest.

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

A clear blue swimming hole with hidden caves, still unexplored.

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.

Home to the infamous "Typhoid Mary" and the worst loss of life in New York's history prior to September 11, 2001.

A colorful architectural gem in Seattle's uniquely modern Central Library.

Historic marionette theater features thousands of handmade puppets and free cups of ice cream.

Ruins of the elaborate house where the enigmatic costume designer threw glamorous parties for New York's theatrical elite.

The original toys that inspired the beloved children's stories are on display at the New York Public Library.

Canyon walls shrouded in ferns.

Trails through lava-carved tube-caves display sparkling bacteria and a rich history.