A centuries-old church stands as a testament to Boston's "father of architecture."

This popular Boston haunt is reminiscent of a time gone by, when slow cafes and sweet-smelling smoke wafting from patios was the norm.

One of the oldest used bookstores in the U.S. has been selling antiquarian treasures since 1825.

A magical sanctuary of mythological statuary.

Private collection of art inspired by cabinets of curiosity.

The longest continuous lava tube in the continental U.S. offers 2.5 miles of dark explorations for the adventurous.

Instead of faces, these sculptures have barcodes—statements on societal dehumanization.

A museum dedicated to a sea that should have never been.

While you're unlikely to find riches here these days, this remote mine is a time capsule of the Gold Rush era.

A volcanic tunnel illuminated by natural skylights offers a shaded respite from the desert sun.

An outdoor sculpture park of giant pink robots and post-apocalyptic Christmas scenes.