The largest collection of handbags in the world, the oldest of which were used to carry Bibles, primarily by men.

This impressive collection of rare books on ancient mysticism inspired author Dan Brown.

A beautifully eclectic mix of architectural styles.

The attic of a four-century-old canal house hides a clandestine church.

The history and future of cannabis.

Established in 1638 to battle the Black Death, Hortus Botanicus Amsterdam is a treasure trove of rare flora.

The world's first zoo for microbes collecting the horrible and wonderful things living on and around us.

Cat art as far as the eye can see.

A floating cat sanctuary on an Amsterdam canal.

Museum preserving torture methods from the past.

The world's only museum devoted to the wonders of fluorescence.

This public square capitalized on a single Eagles reference to bring some life back to an Arizona town.

A natural history wunderkammer in the middle of the desert.

Walk through the actual strap iron cells and solitary chambers of Arizona Territory’s first prison.

An Arizona museum with a collection of pharmaceutical oddities, including a jar of a gangster's chewed gum.

Ancient pueblos built into the base of a natural canyon wall.

Limestone caves with spectacular showcase chambers.

The Magical World of George Phar Legler.

Ancestral Puebloan ruins, natural arches, and box canyons abound in this seldom-visited corner of Monument Valley Navajo Tribal Park.

A Saint Nicholas-themed ghost town in the Mojave desert.

One of the largest, oldest, darkest, quietest motel rooms in the world.

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

A miraculous natural phenomenon known as "the spring that breathes."

The largest hot spring in the United States is, as the name suggests, a stunning show of natural color.