A sprawling Victorian farm that has been surrounded by a capital city is one of Canada's greatest treasures.

A boardwalk winds above this beautiful bog full of wildlife and a rare type of turtle.

Canada's subterranean Cold War museum has doubled as a movie set.

The fading, forgotten remains of a once bright and booming factory.

A lakeside garden in the Southern Alps full of whimsical artwork and thousands of beautiful flowers.

A bizarre house filled with an astounding array of collections.

This whimsical Oz-themed park had a wonderful impact on the surrounding neighborhood.

The two-cell building in Nebraska was briefly owned by a teenage boy and then a Hollywood dummy.

This hidden stream beneath Indianapolis makes an appearance in the best-selling novel "Underground Airlines."

In an alley not far from where two great highways meet, byways of a very different sort are honored.

Like Mardi Gras, only everyone's a pirate.

The humble home where the famous beat author lived briefly and wrote one of his most famous works.

A humid oasis combines recreation with exploration in a unique underwater cavern.

An abandoned vacation home spent a decade taking on legends. It's now taking on water.

The scuba diving training facility was named for the steam that rises from the cave's chimney.

This naturally-sourced hot spring is now home to a clothing-optional resort.

Enormous lake at the bottom of a unique cave system.

The world's only museum devoted to the wonders of fluorescence.

A fiery crater has been burning in the Karakum Desert since 1971.

This secluded aqua waterfall in the Grand Canyon is the perfect swimming hole, and the Havasupai tribe's fiercely protected natural wonder.

Dolphins, ancient clams and hundreds of waterfalls make this one of the world's top tourist destinations.

Some of the clearest water anywhere in the world.

Known for the tunnel that leads visitors to the water.

This old cement mine has been used as everything from a mushroom farm to a recording studio.