One of the few remaining casualties of the London Blitz, this destroyed church has become an enchanting public garden.

Museum on earth sciences featuring a recreation of a famous curiosity cabinet.

Roughly 17 million letters to Santa have found their way to this Arctic Circle post office.

This centuries-old wooden wonder was built in less than a year and is one of Europe's largest timber-framed churches.

This fairytale inspired, warped building houses restaurants, shops, and a radio station.

This Nazi ruin was the site where Hitler was almost blown up by a suitcase bomb.

Castle and secret tunnel withstood a siege until its owner was killed by the Holy Roman Empire, while sitting on the toilet.

A collection of art from Bulgaria's time as a communist state.

This rose and lavender oil distillery still operates as it did more than a century ago.

Sofia's legislative center is continuously reinventing itself.

Said to be the only museum in the world dedicated to the most classic of all blooms, the rose.

The growing stones of Romania.

This bone-filled cave got its name after they found 140 bear skeletons inside.

The legendary cliffside castle of three-time Voivode of Wallachia, Vlad the Impaler.

This stoic bronze soldier stands as a symbol of Russian sacrifice or Soviet oppression, or maybe both.

Relics from an era long gone, sit idle outside this Estonian museum.

Legend says lovers who hold hands while venturing along this stone jetty and kiss at the end will remain together forever.

Secret North Korean passage discovered below the world's most dangerous border.

A visionary, futuristic sculpture in Los Angeles that never met its extraterrestrial potential.

Couple's personal collection of pinball machines turned public pinball museum.

Breathtakingly blue walls shimmer inside the "Glacier Behind the Town."

A mysterious castle built as a monument to lost love.

One of New York's best collections of pinball is hidden in a secret bar in the back of this laundromat.

Frank Lloyd Wright's most iconic home dangles over a Pennsylvania waterfall.