Holy Grotto of Montserrat Monastery holds one of Europe's mysterious black Madonnas.

Op-art architecture designed for happiness.

This 1000 year old relic-filled cave monastery and UNESCO World Heritage Site also hosts an amazing micro-miniature museum.

Standing in a state of "arrested decay," this ghost town allows for a detailed peek into Gold Rush life in an unusually harsh climate.

Designed by Buckminster Fuller, this relic of the 67 Expo survived fire and ice.

San Francisco's newly reopened hands-on science museum.

The oldest burial ground in the city, final resting place of city founders, Ohlone natives and murderers alike.

A 100-year-old purveyor of curiosities, curios, and kitsch featuring mummies, shrunken heads, and a Fiji Mermaid.

A wall of chewing gum moonlights as collective art.

An antique cemetery in New York, this land is home to any number of famed corpses.

The second oldest continuously operating bar in Louisiana.

This "second" cemetery represents New Orleans' attempt to keep cholera at bay.

A 200-year-old bar in the historic French Quarter refuses to give up its place in history, nor its role in securing ours.

The curiosities and wonders of pharmacy in a delightful historic building.

Stroll through a wonderland of stupendous moss-covered trees.

La Monte Young and Marian Zazeela's "Dream House" will immerse you in an ever changing world of sound and light.

A historic 1890s architectural masterpiece with an iconic clock tower that, once open to the public, now faces an uncertain future.

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

The site where Poe "in great distress, and ... in need of immediate assistance" likely died.

A museum dedicated to exhibiting remarkable outsider art.

Dedicated to the art and science of glass in equal measure, this space is as much laboratory as museum.

The biggest museum dedicated to insects in North America, one of the largest in the world.

First a horse rendering plant, then a 19th century landfill, this beach is full of glass from thousands upon thousands of broken bottles.

Small shop offering mail-order rare and exotic plants.