A sobering scientific reminder of the human damage caused by the advent of the nuclear age.

The giant figure on the back of this turtle-shaped temple actually hides a memorial pendulum.

The magical, mossy forest that inspired 'Princess Mononoke.'

This parking garage was the site of what was - at the time - the largest cash robbery in history.

An easy-to-miss garden in Boston's North End honors the mother of JFK and others who lost children in WWII.

The oldest Italian café in Boston, this spot also serves as a veritable museum of vintage coffee ephemera.

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

Historic Hull Street was actually the first street with a proper name in the Boston area.

This landmark cemetery in Boston was created more than 300 years ago.

This monument on Breed's Hill proves that one of the most famous battles of the Revolutionary War is misnamed.

Berthed at the Charlestown Navy Yard in Boston, "Old Ironsides" is the oldest commissioned warship still afloat.

An 80-year-old house built out of newspapers.

Stumps of an Ice Age forest, visible only at low tide.

The inspiration for H.P. Lovecraft's horror stories and Batman's Arkham Asylum is now a condominium complex.

Palatial mansion estate used in films including "Flowers in the Attic" and "The Witches of Eastwick."

A historic custom house with ties to George Washington is now a shrine to local nautical history.

A unique geological area spiked with wind-carved rocks that resemble teepees.

The highest point in Texas is capped by a big silver pyramid.

This highest peak in New Mexico is named after an explorer who had a habit of lending his moniker to peaks.

Explore the largest pure gypsum deposit in the world, and go dune sledding while you're at it.

Buried beneath the New Mexico sands are believed to be millions of copies of Atari's E.T. video game.

Twice a year, visitors can tour the desolate site that birthed the Atomic Age.

A multi-storied adobe complex has been inhabited for more than a thousand years.

An immersive environment that is part haunted house, part choose-your-own-adventure, and part jungle gym.