The summer residence of a Spanish ambassador who brought viticulture to an impoverished region, sparking its transformation into one of the world's best wine regions.

One of the greatest collections of coins in the world is housed in the former mansion of an archeological pioneer.

Come for the chanting, stay for the monastical vegan buffet.

Learn about the sweet, storied legacy of beekeeping in ancient Greece.

An ancient woodland that inspired a young J.R.R. Tolkien.

This 22-acre botanical garden is home to the largest collection of rhododendrons in the world.

A pair of mysterious, unusually polished cave temples with an ancient gold legend.

Buried beneath an unassuming Gotland farm was the largest collection of Viking silver, mostly of Islamic origin.

The pristine waters crossing this forest form a hidden waterfall among the dense vegetation.

The only museum in the world dedicated to the history of sprint car racing, next to one of the country's most historic dirt tracks.

Hidden in a high mountain cave, this hermitage dates back to the ninth century.

The ruins of an ancient fortification wall sit in front of and underneath this boutique hotel.

One of the oldest libraries in the world is still operating and contains the oldest existing document in the Italian language.

This abandoned Victorian-style house was built in 1884.

A flat slab of stone perched hundreds of feet above the Gasconade River in the northern Ozark mountains.

A Roman temple perched over an Italian town, forgotten several times over.

A porcelain company's former dumping ground, completely covered in pieces of collectible ceramics.

Destroyed numerous times, this centuries-old bridge has always been rebuilt with its original design.

A museum-like shop that has been producing clogs, brushes, and ropes for nearly 200 years.

The most sacred Jewish shrine in Iran and a fine example of restoration works gone wrong.

A former factory now pays tribute to a local industry fueled by sardines.

A place to see how French aristocrats lived in the early 1900s.

The origins of a large, medieval castle are shrouded in mystery, but now it's a delightful garden.

One of the world's first dedicated bank buildings in the world is now the oldest one.