A vertically floating hemlock controls the waves and weather at Crater Lake.

One of the most accessible undersea plane wrecks in the world.

Famously misunderstood wonder of the ancient world

Legs Inn provides Polish food, a cornucopia of Native American artwork, wood carvings, and mounted deer heads.

One of the largest crucifixes in the world stands 55 feet tall in a secluded, wooded area of northern Michigan.

This national park on the shore of Lake Michigan features remarkable dunes that lie at the heart of a Chippewa legend.

A crumbling mountain resort that looks like it was abandoned in an instant.

Former self-sufficient mental institution now a planned community.

This lake in the Cascades lives up to its name, disappearing down a hole every spring.

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

Mind-blowing carvings and fantasy ice scenes grace the largest year-round ice environment in the world.

Open day and night, a church with three pews and Bibles.

One of two side-by-side totem pole parks dedicated to educating visitors on Tlingit history and culture.

The first Russian Orthodox church in North America and an Alaskan landmark.

The cultural center preserves the history of the Tlingit tribe, who have lived in this Alaska village for more than 10,000 years.

Breathtakingly blue walls shimmer inside the "Glacier Behind the Town."

A rare chance to get up close and personal with a 13-mile ribbon of ice near downtown Juneau.

Upside-down trees serve as natural flower pots in this hanging garden of Alaska.

These fantastically named natural pools look like something out of a Scottish myth.

One of the oldest scientific gardens in Britain, containing more than 13,302 plant species in its core collection.

There are plenty of wonderful panoramic vistas in Edinburgh, but not many are hidden smack in the middle of the Old Town.

Remnants of the 16th-century defensive wall still stand unassumingly within Edinburgh.

A sweet symbol marks the place where torturous executions were once carried out.

Possibly the oldest living thing in Europe, more likely a pagan survivor.