Former farm staffed by mental patients is now a public park.

The former home of Samuel Clemens and family remembers the happiest period of the author's life.

This whimsical stacked cabin looks like something out of a children's book.

Vikings and Evangelicals have both had a hand in this replica medieval church.

This tea house was a hand-built gift from Boulder's sister city in Tajikstan.

Inspired by "The Starry Night" this Dutch bike path turns into a glowing work of art each night.

Hundreds of hopeful gold miners came here to get rich, but only two years later the small town was deserted.

This medieval sanctuary's tree-framed door looks like a portal to a mythical realm.

Five candy-colored villages on the Italian Riviera.

The highest point in Washington state is a volcano covered in glaciers.

An ancient Viking village in North America that predates Columbus by 500 years.

This amazingly preserved Gold Rush town is a historian's dream.

This long, dark tunnel is open to hikers, but those without lights are known to get confused even on the straight path.

35,000 grape hyacinths flow like water down a garden hill.

Native Americans built this circle of stones, which was used to predict astronomical events.

This small town in the Netherlands has no roads but instead, miles of canals and over 100 bridges.

The 953 windows undoubtedly make this the world's most beautiful screened porch.

This former Masonic hall has been turned into an art project that uses even more metaphysical iconography.

Near the former site of numerous witch burnings, this lavish Edinburgh mainstay pays homage to Scotland's brutal history.

The Victorian-era greenhouse is stuffed with tropical plants, and open 365 days a year.

Julia Morgan's Moorish-Gothic labyrinth of fountains, trees, natural light and Oakland's notable dead.

An oddities shop packed with twisted treasures inspired by Oscar Wilde and Edgar Allan Poe.

In which a local geological marvel becomes a quaint roadside attraction.

Shop of curiosities with a dinosaur museum tucked in its basement.