Places ktknoll Wants to Go

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

A classic Route 66 landmark that was built with scrap lumber and is held together with kitsch and puns.

A stealthy Apache hideaway that became the haunting site of a mass grave.

This 4,000-foot-diameter hole is touted as "the most well known, best preserved meteorite crater on Earth."

A mysterious "wedding cake" castle in the middle of the urban desert.

A museum and tribute to a brave profession.

Ninety feet off the valley floor is an ancient dwelling put under protection of the U.S. government by Teddy Roosevelt.

This collection of Wild West movie memorabilia also claims to hold some secrets of the Lost Dutchman's mine.

An artsy hidden staircase leads to breathtaking views of San Francisco.

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

A colossal strolling Pinocchio that was greeted with more outrage than whimsy.

The art museum is decorated with creatively remodeled pre-Nazi swastikas.

Hans Christian Andersen for the postmodern world.

A miniature train-ride through Slovenia's largest cave system.

Castle and secret tunnel withstood a siege until its owner was killed by the Holy Roman Empire, while sitting on the toilet.

Machismo turned on its head: the lady's hand goes to the dude with the bigger brain.

This English-inspired Maryland garden is home to acres of opulent plant life including bushes shaped into an entire fox hunt.

This free, take-a-book shop seems like a trick but isn't.

Walk a trail through a historic Quaker town that outlawed slavery in 1777 and was a major waypoint on the Underground Railroad.

An astounding collection of medical specimens, including bits of President Lincoln.

A secretive collection featuring objects that were designed specifically for U.S. intelligence operations.

An original apothecary from 1792.

The Corinthian columns that towered over Abraham Lincoln’s inauguration stand proud.

An extensive, if one-sided, history of U.S. law enforcement's war on drugs.