Oldest Museum of the Netherlands is a true cabinet of curiosities.

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.

This 22-floor tower's Skydeck offers panoramic views of Amsterdam.

Established in 1638 to battle the Black Death, Hortus Botanicus Amsterdam is a treasure trove of rare flora.

This city square is home to Amsterdam's oldest church and a statue honoring Dutch sex workers.

A beautifully eclectic mix of architectural styles.

Amsterdam's Red Light District leaves little to the imagination.

Singapore's landscaping project is home to 18 incredible Supertrees.

The first Catholic church in Singapore is a Neo-Gothic colossus with a rich architectural history.

A massive stairway that almost wasn't leads to one of Australia's most scenic vistas.

This trio of Australian rock spires may have inspired aboriginal legend or just modern tourism.

Come for the flowers, stay for the bats!

A giant Troll lurks under one of Seattle's oldest bridges.

From a neon Rapunzel to a bike traffic meter to a street fair color scheme, the most opened drawbridge in the US is a veritable art gallery.

A museum dedicated to the history and exploration of both popular music and science fiction.

A colorful architectural gem in Seattle's uniquely modern Central Library.

Once the tallest building in the world and the site of "the highest dinner ever held in New York" this building now holds the most expensive penthouse in the city.

Last stop before the top of the highest peak in the world.

Named after the Goddess of Harvests, Annapurna is the deadliest member of the Eight-thousanders club.

The remains of what was, not so long ago, the world's largest city.

An abandoned NSA listening post on Berlin's "Devil's Mountain."

A restaurant and observation deck built in a unique broadcasting antenna.

An eerie, derelict amusement park in Berlin.

Berlin's old airport.