A castle built for love, and abandoned due to heartbreak.

A sacred well steeped in Pagan roots on the West Coast of Ireland.

This former coal gasification plant found a curious second life as a popular public park.

A colorful architectural gem in Seattle’s uniquely modern Central Library.

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

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

When the Austin Dam failed it destroyed much of Austin...and then it failed again.

Once the "Eighth Wonder of the World," this iron railroad bridge was decimated by a tornado.

A walk-in working camera obscura produces 360-degree live images of the San Francisco coast.

This abandoned boat was left in place thanks to its rotting beauty.

This giant sculpture made of trash is a critique of society's wastefulness.

This grinning pup statue is all that's left of what was once a ubiquitous Bay Area diner chain.

Elaborate tile work in this railway station tells the story of Portugal.

One of the most beautiful bookstores in the world hides a neo-Gothic interior behind an art nouveau facade.

A hidden three-foot-wide house separates these two regal churches.

Shakespeare has been brought to life in this open air theater for the better part of a century.

A public fountain that spouts "health water" from a nearby spring.

This ultra-modern California span is actually a titanic solar clock in disguise built by famed architect Santiago Calatrava.

Town full of spiritualists, some of whom are mediums, is still in full swing after 130 years.

Relics of the 1894 Midwinter Exposition continue to delight visitors today.

San Francisco's newly reopened hands-on science museum.

Carnivorous plants, medieval aphrodisiacs, and the largest original wood structure glass conservatory in the western hemisphere.

A huge musical instrument played by the ocean.

A collection of 20th-century automata, penny arcade games, and musical contraptions.