The largest underground church in Europe.

The world's largest reflecting pool is just two centimeters deep.

Giant topiary dog once played a role in a terrorist bomb plot.

One of nature's most well-scheduled phenomenons resides in Wyoming's Yellowstone National Park.

Island where motor vehicles are banned -- home to the only carless highway in the United States.

A Beaux-Arts triumph set to become Ford's innovation campus

One man's attempt to create an artistic wonder on a run-down block in Detroit.

This expansive bridge in the Canadian wilderness was originally just built for friends.

Allowing humans and fish alike to migrate from freshwater to saltwater and back again.

Continuing a tradition of movie magic on the site of America’s oldest continually operating movie theatre.

An eclectic restaurant serving from and to the nearby Chittenden Locks.

At just six feet two inches deep, it is said by Guiness and Ripley to be the world’s narrowest freestanding office building.

A French chateau, failed utopian community, odd museum, and Stonehenge replica in rural Washington State.

Oregon's unexpected high desert, displaying layers of time in a colorful show.

This extravagant Art Nouveau rest stop features a million-dollar view of the Columbia River.

A roaring, awe-inspiring double cascade of icy water flows through woodland Oregon like something out of a Tolkien novel.

A beautiful 62-acre Catholic shrine and botanical garden.

The seamy, underground secrets of Portland's criminal past.

The magic's in the hole!

Statue of Lenin, from Cold War era Czechoslovakia, now in a neighborhood of Seattle.

A museum dedicated to the history and exploration of both popular music and science fiction.

A 100-year-old purveyor of curiosities, curios, and kitsch featuring mummies, shrunken heads, and a Fiji Mermaid.

A giant Troll lurks under one of Seattle's oldest bridges.

One of the only cooperatively owned bars in the nation wears its eclectic history on its walls.