Secret refuge and museum of the Duke of Florence.

Pivotal home of Nobel Prize winner Pablo Neruda.

Architect Le Corbusier built his friend a cubist house to match his impressive collection of cubist art.

400 million-year old limestone caverns nestled in the Ozarks served as shelter and a hideout for cultures throughout North American history.

Once one of the world's great cities, Cahokia was a place of religious worship, trade and mass human sacrifice before being mysteriously abandoned.

The Old Courthouse takes visitors on a captivating trip through St. Louis' timeline.

The Magic House provides a beautiful and creative environment for curious youngsters to get their knowledge on.

A historic house in St. Louis was plagued by a series of suicides committed by family members involved in a successful brewery.

What was once a presidential estate is now an exotic menagerie and home to the Budweiser Clydesdales.

Rustic natural hot springs in the deciduous rain forest.

One small town in the Pacific Northwest transformed itself into a Bavarian-themed tourist destination.

This famous bridge twisted itself into oblivion, but not for the reason you might think.

This popular bar has been blurring the line between normal and edgy for more than 75 years.

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

A beautiful final resting place for some of the noteworthy deceased.

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

A wall of chewing gum moonlights as collective art.

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

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

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