A large circus museum with summer performances.

An off-the-beaten-path place to literally hang beneath Milwaukee's Holton Street Bridge.

Wisconsin's most celebrated export gets the royal treatment on I-94.

This pebble beach is so beautiful that taking its rocks is against the law.

A bizarre house filled with an astounding array of collections.

This magnificent Japanese garden provides a moment of Zen in rural Vermont.

A gardener's enduring labor of love is spread throughout a small Vermont town.

A beautiful, creepy 19th-century castle stands incongruous in rural Vermont.

The Hudson River School comes alive at this palatial estate.

An Adirondacks museum housed in the former studio of Marcella Sembrich, the 19th century opera star most famous for her role of Mimi in "La Boheme."

The former home of a disgraced local priest now hosts a mysterious secret supper club.

A sewing machine tycoon built this miniature castle for the people and to beautify a lakeshore.

Not even a series of devastating fires could keep this odd castle in upstate New York from bouncing back.

Take a trip back to the 1950s and the heyday of the road trip along Historic Route 20.

Discovered by cows, these upstate New York show caves are presented with a healthy dose of psychedelic folk art.

The first evidence of some of the Earth's earliest life was found in this fossilized undersea grotto.

A beautiful multicolored mound formed by the mineral deposits of the Orenda Spring.

Fossilized sea bottom and lime quarry.

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

This throwback amusement park is home to rides and unique storybook figures from the past.

A mysterious echo seems to defy the laws of acoustics.

Tucked away on the second floor of a small town library is one of the great private Victorian taxidermy collections looking today very much like it did in 1909.

This Central New York ghost town was once a prosperous railroad community.

The lost town of Neversink, sunk by New York City.