A turn of the century building boasting some of the most beautiful art nouveau architecture in Prague.

Macabre astrological automaton clock dating to the late 1400s.

This 329-acre nature park is Lake Washington's largest remaining wetland ecosystem.

Thomas Dambo's troll sculpture wears a crown with birdhouses on his head.

A bike being "eaten" by a tree is the real Vashon legend behind popular children's book, "Red Ranger Came Calling."

A sculpture of the famous photograph stands on San Diego's "Greatest Generation Walk."

This little blue house pokes out over the campus of UC San Diego, seven stories high.

At a rest stop north of Seattle, the trunk of an ancient tree.

A museum dedicated to an elusive cryptid.

This sci-fi gazebo located in a Washington power town is made from old bits of industrial electrical equipment.

This memorial commemorating fallen Swiss Guards of the French Revolution has been called the saddest stone in the world.

This museum on San Juan Island is dedicated to the conservation of orca pods.

A geological mystery on Camelback Mountain.

A comprehensive collection of bonsai set in a beautiful campus.

A large wind turbine installation in central Washington State is home to an extensive set of interpretive exhibits.

This metallic stampede sits frozen on a Washington ridge yet the artist's vision is still incomplete.

The only home that Alexander Hamilton ever owned has a history almost as troubled as his own.

This mosaic dedicated to John Lennon was tended for years by a Beatles super-fan.

This memorial honors thousands of enslaved Africans and their descendants who died in colonial New York.

This cemetery has graves dating back to the 17th century, including the city's oldest carved tombstone and an ominous cryptogram.

Wall Street has a new heroine, a bronze statue of a small but fierce girl.

San Diego's most historic and haunted home.

The century-old bell and clock tower at UC Berkeley is the third-tallest in the world, and has fossils.

Where Venice's gondolas go for a tune-up.