Olfactory delights in San Francisco's Botanical Gardens.

Its buzzing collection honors vibrator history.

Carnivorous plants, medieval aphrodisiacs, and the largest original wood structure glass conservatory in the western hemisphere.

This shop specializes in oddities and Victorian-inspired wonders.

In all of the 29 years it was in operation, no prisoners ever escaped successfully... or so they claim.

A huge musical instrument played by the ocean.

Bring your own cardboard to the slippery slopes of concrete hidden in a neighborhood park.

An artsy hidden staircase leads to breathtaking views of San Francisco.

A psychedelic labyrinth on the San Francisco bay.

The crown jewel of the Queens Museum is a nearly 10,000-square-foot architectural model of the city originally built for the 1964 World's Fair.

Underneath the bustling city streets, a hydroponic farm grows unique herbs in an urban oasis.

The oldest olive tree in Greece has been bearing fruit for at least 2,000 years.

A spectacular cave and a beguiling lake.

The hallucinogenic center of the ancient world.

This macabre shop, filled with art, oddities, and taxidermy is hidden in the heart of the French Quarter.

The beautiful, fruit-covered facade hints at this building's former life.

This New Orleans statue of a portly figure in a goofy hat pays homage to a classic of satirical literature.

A calm and comfortable place to hang out with cats and kittens up for adoption.

An abandoned warehouse turned art sanctuary in New Orleans.

"If she'd leave us alone, we would have a happy home, sent from down below."

The only home of the famous French impressionist painter open to the public is now a museum and bed and breakfast.

This Birdsill Holly fire hydrant is the remnant of a very different type of hydration innovation.

Parts of the civil rights movement unfolded in this historic eatery, helmed by the "Queen of Creole Cuisine."

The oldest family-run restaurant in the United States is a living museum of New Orleans dining history.