The land is home to swimming ponies and a legendary 18th-century treasure.

Standing in a state of "arrested decay," this ghost town allows for a detailed peek into Gold Rush life in an unusually harsh climate.

A natural gas leak provides a flickering flame beneath a waterfall.

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

The only structure left with direct ties to the Salem witchcraft trials of 1692.

An old abandoned mining town in The Adirondacks where Theodore Roosevelt first learned of the shooting of President William McKinley.

This small-town pizzeria won the Hollywood lottery.

The arch that celebrated the completion of the Lincoln and Victory highways.

The quarry was abandoned over 100 years ago, after a massive ammunition explosion ended in tragedy.

Abandoned rock quarry now a haven for mountain bikers and hikers.

An old-timey peepshow allows visitors to gawk at some of the world's most freakishly large footwear.

The tech giant built three enormous glass orbs in Seattle so employees could work inside a rainforest greenhouse.

A wall of chewing gum moonlights as collective art.

A museum dedicated to the history and exploration of both popular music and science fiction.

A 100-year-old purveyor of curiosities, curios, and kitsch featuring mummies, shrunken heads, and a Fiji Mermaid.

A walk through the historic city center, under the streets of Seattle.

This New York estate was designed to resemble a medieval Scottish castle.

This lovely little pond is named after the hundreds of soldiers' corpses that were rolled into the waters during the French-Indian War.

A mysterious echo seems to defy the laws of acoustics.

A local landmark with generations of spraypainted messages, and more being added each day.

One of the best places in Florida to spot rare, carnivorous pitcher plants.

A former hospital is now home to a pizza parlor and maybe a few ghosts.

Surprisingly aquamarine waters fill deep lakes formed at the end of the last ice age.

In upstate New York, gorgeous waterfalls and a watermill are slowly being reclaimed by nature.