This cave holds a surprisingly colorful variety of geological oddities.

The arboretum whose marshy soil sucked up the dreams of housing developers.

This historic address is home to the beloved ball and is an almost totally empty building among the most expensive real estate in the world.

This cemetery has graves dating back to the 17th century, including the city's oldest carved tombstone and an ominous cryptogram.

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

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

Robots, lasers, and whoopee cushions, oh my!

Equal parts record-breaking temple to consumerism and bizarre fun park, it's more than you think it is...

This mosaic dedicated to John Lennon was tended for years by a Beatles super-fan.

Try not to get slimed in Tribeca.

Giant six-pack could provide one person a six-pack a day for 3,351 years.

Large pioneer village showcasing life during boom times.

A bizarre house filled with an astounding array of collections.

This striking art museum holds an amazing series of curiosity cabinets.

A place to eat for on-the-run agents and espionage enthusiasts.

Statue dedicated to the star of an old television show.

Almost half-way between the Equator and North Pole.

The home of 1.5 million wood letters for printing is still a functioning workshop.

A 100-year-old chair with joints "cemented by nature."

This historic "City of the Dead" lies prominently in the center of New Orleans' famous Garden District.

The oldest cemetery in New Orleans, resting peacefully for over 200 years now.

The curiosities and wonders of pharmacy in a delightful historic building.

A 200-year-old bar in the historic French Quarter refuses to give up its place in history, nor its role in securing ours.

This symbolic piece of New Orleans architecture is also home to a few ghastly stories.