An oddly poignant roadside attraction celebrating American folklore.

Two thousand artifacts from around the world collected by one woman who loved to travel.

Where America's first doomsday cult awaited the end of the world.

A park full of outsider art, created by college students studying outsider art.

A house and yard adorned with bizarre concrete sculptures in a Milwaukee suburb.

A rusted metal giant pays tribute to Birmingham’s industrial past.

Nonprofit art center that promotes outsider, intuitive, and self-taught art.

Long the exclusive domain of birds and vagabonds, this little-known Central Park peninsula is open to the public once more.

The childhood home of one of America's greatest unsung troubadours still stands in a much changed Brooklyn neighborhood.

A room in New York City that contains 250 cubic yards of dirt worth a million dollars.

The crumbling ruins of this southern American fort have survived storms, war, and cults.

This abandoned Civil War fortress is slowly being swallowed by the waters of Lake Borgne.

Once defending the city of New Orleans from invasion by sea, this fort faces an uncertain future.

The winter home of millions of migrating monarch butterflies.

A church dedicated to the Mexican skeleton saint.

A scientific repository of goiters, boils and other ailments throughout Mexican history.

Diego Rivera's massive tiled fountain and failed infrastructure project.

An island filled with hundreds of hanging, decomposing, decapitated dolls.

Frida Kahlo's childhood home, now a museum of her life and works.

The only castle in North America to ever house European sovereigns.

A museum in the former home of Marxist revolutionary Leon Trotsky.

At a museum of everyday objects, it is the act of collecting that is really on display.

A jaw-dropping "megalibrary" that turns book-browsing into a geometric adventure.

Superstitious? Discover the witchy side of Mexico through its largest esoteric market.