Most-visited and most-photographed slot canyon in the American Southwest.

Rippling sand dunes frozen in the Arizona rock.

In 1912, this idyllic Alaska landscape was blown apart in the largest volcanic eruption of the 20th century.

A glass display case holds the document that ended the Second World War—which one person signed on the wrong line.

This mom-and-pop Japanese sweets shop has been serving cloud-light mochi for almost a century.

The granddaddy of all tourist traps, built on ice water, jackalopes, and a giant dinosaur.

One of the first intercontinental ballistic missile sites in the United States.

Dedicated to the history of the 1,000 nuclear missiles that once covered the Great Plains.

Housing the National Women's Party since 1929, this historic house is now a monument to the fight for gender equality.

Home to items never before seen by the public.

An obscure public service from the U.S. government that redeems burnt, moldy, and soiled old greenbacks.

The final residence of an educator, civil rights leader, and presidential advisor was also the first headquarters of the National Council of Negro Women.

This sprawling collection of saintly relics includes such fascinations as wood from the Cross of Jesus and threads from Mary's veil.

A tragedy and memorial that raised awareness about the dangers of unsealed mineshafts.

One of Hollywood’s favorite government buildings.