This stimulating sex toy museum is sure to arouse the interest of its visitors.

This Cape Cod museum exhibits what it claims is the only authenticated pirate treasure in the world.

35,000 grape hyacinths flow like water down a garden hill.

An old trolley bridge was converted into a breathtaking garden bursting with colorful flowers.

Trash escaped from a landfill to fill beaches with all kinds of treasure.

Beautiful steampunk ghosts of early Massachusetts.

Three prestigious academic collections come together to create a world-class natural history museum.

This former Masonic hall has been turned into an art project that uses even more metaphysical iconography.

Memorial of the Salem witchcraft hysteria in the town of Danvers, where it all began.

The headquarters in Salem doubles as an occult art gallery.

This fairy tale-themed amusement park is now abandoned, and childhood metaphors abound.

A 19th century library favored by Edgar Allan Poe and H.P. Lovecraft, known by locals as "the Ath."

The only structure left with direct ties to the Salem witchcraft trials of 1692.

An easy-to-miss garden in Boston's North End honors the mother of JFK and others who lost children in WWII.

One of the last remaining World War II Victory Gardens in the U.S. is quietly growing across from Fenway Park.

Site of a famous 19th-century transcendentalist utopian community, now abandoned.

One of the now-less-hidden floral gems of the "Emerald Necklace."

An enormous, inside-out glass globe built in 1935.

The grand, column-fronted, sculpture-adorned home of the ambitious digital library.

The randomness of this wall of lava lamps helps encrypt up to 10 percent of the internet.

San Francisco's urban bison herd has persisted in the face of extinction, development, and disease.

A still functioning vaudeville carousel that has operated for over a century boasts a colorful menagerie and past.

Relics of the 1894 Midwinter Exposition continue to delight visitors today.

A tiny theater hidden in an alley plays a constant stream of short silent films for anyone willing to peer through the peephole.