Try not to get slimed in Tribeca.

Leaf through over 30,000 artists' sketchbooks in what may be the world's largest collection of doodles

Why have you never heard of the second most popular tourist site in New York?

The final resting place of the great escape artist, where some still gather to wait for his escape from death.

The oldest continuously operating farm in New York State.

The remnants of two World's Fairs are here, complete with a 12-story globe, a mini-Manhattan, and a UFO-shaped pavilion.

An art supply shop holds the secrets of this quiet neighborhood's raucous Barbary Coast past.

A miniature view of the park, caught in time.

Once the largest windmill outside of Holland, with enormous 114 foot sails.

A monumental cross hides in the trees in Golden Gate Park.

The key to turning shifting dunes into the green oasis of Golden Gate Park.

A man-made island in scenic San Francisco Bay.

San Francisco's urban bison herd has persisted in the face of extinction, development, and disease.

Staircase winds down the side of Telegraph Hill through gardens, wild parrots flying overhead.

A collection of 20th-century automata, penny arcade games, and musical contraptions.

Relics of the 1894 Midwinter Exposition continue to delight visitors today.

In all of the 29 years it was in operation, no prisoners ever escaped successfully... or so they claim.

An interesting decoration on this historic site, this weathervane comes with as many legends as it does questions.

A former waterfront market is now in the center of town due to some interesting Boston engineering.

The site of Paul Revere's historic two lantern warning.

The American Revolution was galvanized into serious action due to the tragic clash with British soldiers that occurred at this location.

The Boston square dedicated to the dark poet who was born nearby.

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

An old trolley bridge was converted into a breathtaking garden bursting with colorful flowers.