This "Plant Farm Museum" is home to the divinely inspired and visionary outsider artwork of Reverend Howard Finster.

A natural sandstone bridge hidden in the Sewanee forest.

An ancient cave system in Tennessee’s Appalachian foothills converted to a 1,200-person music venue.

This mansion turned restaurant was once a pitstop for Al Capone during his travels.

Live long and prosper in Tennessee.

This funicular railway rumbles along for a mile up the nearly vertical face of Chattanooga’s Lookout Mountain.

The mysterious wonder of an underground waterfall is illuminated by multicolored lights.

Follow the steps, and this roadside artwork will teach you how to dance.

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

Beneath the impressive baroque cathedral that rises from the center of Berlin lies the largest collection of Prussian royals in the world.

A Milanese café entirely designed by the American director Wes Anderson.

A space dedicated to contemporary art and culture, co-chaired by fashion icon Miuccia Prada.

An opulent monument built for a duke who donated his entire fortune to the city of Geneva.

One of the most historical literary characters continues to stroll his hometown.

The world's largest second-hand graces a clock surrounded by constantly changing flower beds. 

This eclectic architectural gem played witness to Zurich’s colonial past.

The comedy and tragedy of Oscar Wilde is preserved in a Dublin park, captured in a sculpture of colorful stone.

The mummified heart of a saint lives on in this church—after a brief hiatus when it was stolen.

The Grand Lodge of Ireland is one of the oldest in the world, full of fantastical, elaborately themed rooms.

A statue in the center of Dublin dedicated to one of their favorite sons of rock & roll.

An 80-year-old plane tree is devouring an iron bench at Ireland's oldest law school.

This neon landmark has been posing this deadpan question to follicly-challenged Dubliners for over 50 years.

The chaotic studio of one of the 20th century's most important artists has been preserved down to the dust.

A museum that cashes in on its infamous little people while teaching you a thing or two about the Irish fey.