A Frankenstein blend of science and art allows one tree to produce 40 different types of stone fruit.

A reversed traffic signal that was once violently misinterpreted as a statement on British-Irish relations.

Reclaimed by nature, the ruins of Doodletown, New York are remnants of a town consumed by a state park.

Oldest existing church in New York and the inspiration for Washington Irving's "The Legend of Sleepy Hollow."

In upstate New York, gorgeous waterfalls and a watermill are slowly being reclaimed by nature.

A natural gas leak provides a flickering flame beneath a waterfall.

A once grand hotel is being retaken by the wilderness it once capitalized on.

Collapsing castle on the Hudson river was once the storage site of military surplus business.

A stunning, two-tiered waterfall made famous by poets, artists and the legend of a ghost dog.

Abandoned rock quarry now a haven for mountain bikers and hikers.

The collection of 80+ pieces created between the years 1100 and 1500 is intended to be seen, heard, smelled, touched, and tasted.

Enter the cabin of a life-sized Hindenburg replica.

Explore the complex ecology of this multifaceted nature preserve by riverboat.

What started as a tongue-in-cheek shrine is now a full-blown museum celebrating "The Hoff" and his longtime love affair with Berlin.

Started as a kitchen garden, now the second largest botanical garden in the world.

The largest free-standing aquarium in the world resides in a hotel lobby in Berlin.

This jaw-dropping 19th-century bridge uses its reflection to form what appears to be a perfect circle.

An elevator into the Baltic Sea.

Between Neo-Pagans and Neo-Nazis, these strange rock formations have a curious cult following and a very strange history.

This cheeky statue of a man defecating gold coins graces the facade of a medieval guildhall.

A surprisingly detailed model of one of the most powerful telescopes in the world.

This historic toy museum brings a little whimsy to a city not usually remembered for such things.

Every half hour the eye-rolling clock face sticks out its tongue to mock the good citizens of Koblenz.

A fearsome dragon clings to a corner of Munich's city hall.