Millions of numbers carved in glass represent the tattoos forced upon victims.

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

A little sculpture with a large wardrobe.

The vast, legendary catacombs hold secrets much stranger than stacked bones.

When the USA donated cement and funds to expand the airport in Laos, the Laotians built a massive monument instead.

Race through the maze, get your name on the sign.

This black shoreline is made up of exploded lava particles.

Earth's tallest volcano is sacred to Native Hawaiians, and home to a dozen world-class observatories.

This museum of Hawaiian and Polynesian culture is the legacy of the last descendant of the Kamehameha Dynasty.

The only royal palace on U.S. soil has been a territorial capitol, a military headquarters, and a prison for a queen.

This cemetery served as the only official burial grounds in Cambridge for nearly 200 years.

One of the now-less-hidden floral gems of the "Emerald Necklace."

Centuries-old hoofprints and wagon tracks reveal themselves after a good winter storm.

This supermarket is suspended 25 feet above an interstate highway.

The headquarters of one of the world’s longest-running humor magazines bears a noticeable resemblance to a head wearing a Prussian helmet.

This picturesque abandoned home is rumored to be a spite house.

The filming location of a shark attack in Steven Spielberg's famous shark movie.

This evocatively named natural crevasse was created by a torrent of water that smashed right through a granite deposit.

Statue in Salem of the woman who starred as the witch Samantha in the sitcom "Bewitched."

This peaceful Massachusetts graveyard was one of the first "garden-style" cemeteries in America.

"Mock all and sundry things, but leave the saints alone."

This small section of the Sleepy Hollow Cemetery is rotten with famous authors' graves.

The 340-year-old house that inspired the classic Nathaniel Hawthorne novel.

Macabre headstones carved with winged skulls, dancing skeletons, and pithy reminders of impending death.