A hunk of prehistoric lava rests amid the Gothic architecture of a campus quad.

Be on the lookout for the symbolic insect all over the city.

A tiny, hidden alleyway dedicated to the father of meteorology.

These lovely Turkish-styled baths were brought back to life after winning a reality show competition.

Hidden on the urban banks of a Manchester river are a series of abandoned waterside industrial sites.

19th century museum with an eclectic mix of curiosities, from Egyptian artifacts to items on archery history to the skull of the world's oldest horse.

This New Orleans tree is filled with hidden chimes that produce a carefully tuned melody.

A museum and shop on Bourbon Street located in the former home of the second Voodoo Queen of New Orleans.

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

A theme park that suffered massive flooding during Katrina was abandoned, and now proves irresistible to trespassing explorers.

The tea room that pushed the boundaries of adorable straight into...we can't find the words.

Staircase winds down the side of Telegraph Hill through gardens, wild parrots flying overhead.

A pair of slides and a tree-lined stair corridor have been an urban oasis for nearly 40 years.

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.

There is no trying to fall in love with this Star Wars fountain, you just do or do not.

Its buzzing collection honors vibrator history.

The only theatre in the world constructed specifically for sound movement.

A 140-year-old castle with underground caves hidden in San Francisco.

A psychedelic labyrinth on the San Francisco bay.

A huge musical instrument played by the ocean.

A private collection of massive steel monsters guarding a Texas pipe works.

This permanent exhibition celebrates the finest of our heartless automatons both real and fictional.

The world's only international cryptozoology museum is host to an unrivaled collection of mysterious objects.