This experiment in the lifespan of seeds will take a century before it is complete.

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

This disappearing geyser has been attributed to witchcraft, but really it's all about rainfall.

This eerily well-preserved coal town was saved from destruction by a Sean Connery movie.

A crumbling wizard is one of the final reminders of a roadside Middle Earth.

Disney World's very first waterpark is now an abandoned ruin being reclaimed by the swamp.

This stone gatehouse was once the entrance to a historic mountain resort, and it had a cameo in a cheesy cult horror movie.

This Scottish manor house is a lush relic from the life of a literary great.

Each year, Germany's "City of Dragons" slays the world's largest walking robot.

This charming English house was once the home of England's most famous poet.

A beautifully detailed Victorian house designed to be easy to flee, built by a man haunted by fire.

This delicate museum is devoted to the art and industry that once supported Cape Cod's oldest town.

This abandoned radar station from the Cold War era now only broadcasts a seriously ominous air of isolation.

This lakeside tower is the third attempt at getting a tourist destination to stick on the spot.

The oldest restaurant in the world is this old-world Spanish eatery, still known for its suckling pig.

The remains of a community that was forced to move for a dam that never materialized still rot in this Pennsylvania park.

Antarctica's bustling metropolis, originally established by Richard E. Byrd.

Tenacious mummies survived dental problems, eternal entombment, and more than their fair share of devastating fires.

The United States Capitol's former columns still stand.

A natural tidal swimming pool is ringed by bizarrely artistic lava rock formations.

Remnants of a Victorian garden feature sitting in public woodland.

Art deco landmark on the outskirts of Washington, D.C.

Cambria's most unique B&B features creative surroundings and fantastic food.

The prototype for all Nazi concentration camps.