A Frankenstein blend of science and art allows one tree to produce 40 different types of stone fruit.

A rare wayfinding portmanteau of “Street” and “Avenue.”

This small and serene place for quiet reflection on Staten Island was built in China based on the gardens of the Ming Dynasty.

A hoard of sky catalogs, astrophysical journals, even the works of Galileo and Copernicus.

Mine your own precious stones.

A spiritual vortex among the red rocks in Sedona.

A quirky assortment of musical marvels from around the world.

Housed in a century-old building, this museum's dedicated not just to soft drinks, but to the free enterprise system.

The neighborhood shop is a sort of tiny cactus museum full of exotic specimens you can take home.

Europe's largest collection of matchbox designs is a fascinating exploration of the cultural history of the world.

Books bound in human skin and H. P. Lovecraft's letters are among a few of the treasures this library has to offer.

A natural history wunderkammer in the middle of the desert.

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

Thousands of Mexican Free-Tailed Bats soar around an abandoned storm drain at sunset each summer.

The lavish temple of the Cao Dai religion that includes Buddha, Mohammed, Joan of Arc, and Victor Hugo.

A library of rare occult books in Los Angeles.

An underground mansion with fruit-bearing trees and grapes growing beneath the surface of central California.

A one-of-a-kind collection of a unique medium.

During prohibition, corrupt city officials ran drinking dens under the streets of Downtown Los Angeles.

This iconic L.A. bookshop is housed in an abandoned bank—both symbolic and chic.

A kaleidoscopic warehouse-maze of handmade neon signs.

New York's oldest and possibly grandest keeper of books.

A wondrous old library overlooking the nation's capital.