An ancient cemetery hides behind a line of disparate chapels.

The secret centuries-old German cemetery in the heart of the Vatican.

A former graveyard for Riga’s elite is now a large park with elegant monuments.

Victorian-era cemetery full of interesting local history among the graves.

The romantic botanic tunnel feels like a well-kept secret.

For more than two centuries, the canopy of this venerable tree has been a haven for songbirds and lovers.

A lover's walk between hilltop towns, decorated with graffiti love notes.

Built as a gift to the hottest tastemaker of the time, these hidden quarters remain an Art Deco showpiece.

Intertwined, interspecies trees which locals believe can grant boons to lovers.

La Monte Young and Marian Zazeela's "Dream House" will immerse you in an ever changing world of sound and light.

An unusual collection of self-made musical instruments and unique noises.

Artist and musician Will Menter creates musical sculptures.

Artwork tucked within the trees greets visitors with surreal sonic experiences.

A huge musical sculpture and other art installations on the National Oceanic and Atmospheric Administration grounds.

The Bloemen Route, or “Flower Route”, stretches 25 miles through prime Dutch tulip country as a result of “tulip mania,” the world’s first economic bubble.

A breathtaking flower tunnel bursts with beautiful golden blossoms.

This little valley along Highway 1 is engulfed by thousands of lilies during the spring season.

In Lago Superiore, the largest expanse of lotus flowers outside of Asia is hard to miss.

Before serving as James Bond's Casino Royale, this Victorian-era spa catered to the world's elite.

Giant fake rocks that shielded Bond lie in wait for their next action scene.

A park where you can watch the highway zoom past.

A herd of plastic cows hangs out under this transmission tower in rural Georgia.

This century-old grotesque has a mysterious history and may not actually be a rabbit.

Pumpkin-like gargoyles and grotesques peer down from the rooftop of this unassuming apartment building in Illinois.