New Zealand's oldest prison holds a dark history and the scars of a deadly earthquake.

Major tourist destination known for its bubbling mud-pools and hot thermal springs.

This electric green sulphur lake in New Zealand looks like a cartoonish radioactive dump site.

America's most famous museum of medical oddities is home to the remains of Albert Einstein's brain.

Remnants of a storybook amusement park hidden behind a strip mall.

A swimming hole in the historic industrial quarry that supplied the marble for the Baltimore Washington Monument.

Dogs, cats, horses, monkeys, frogs, and fish are laid to rest at the second-oldest pet cemetery in the U.S.

This beloved Baltimore spot features caged dolls, a giant Pez collection, and many, many mannequins.

A museum dedicated to exhibiting remarkable outsider art.

Crammed into a Baltimore row house is an oddities shop that sells everything from skulls to dead insects.

It's not hard to see why the historic Peabody Conservatory of Music's library has been described as a "cathedral of books."