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

This gorgeous reading room houses the oldest and largest art history library in the Netherlands.

A floating cat sanctuary on an Amsterdam canal.

An Amsterdam street lined with antique shops each one dedicated to a different obscure collection.

The world's only museum devoted to the wonders of fluorescence.

The celebrated eyesore created by starry-eyed sweethearts.

A French artist's vague warning hangs over Belleville.

This bridge was constructed from the rubble of the infamous Bastille.

A grotto-like lodge decorated with gilded mosaics, rocks and a noisy waterfall was the setting for the most sumptuous pleasure house of 1900s Europe.

19th century pendulum and a clock restored by a rogue group of guerilla artists.

An "inside out" building in the historical center of Paris, featuring Europe’s largest modern art museum.

This charming cobbled backstreet is the most Instagramable street in Paris, much to the residents' annoyance.

Notorious artist squat renovated into legal studios.

Journey through a bit of nostalgia inside this classic record and video store.

Stepping inside this coffee shop is a journey through time.

Nestled between a college and a golf course, the garden is home to more than 2,500 rhododendrons.

At the base of Steens Mountain resides an otherworldly desert.

The only house in Oregon designed by the famous architect, Frank Lloyd Wright.

This hotel has hardly changed in over a century, like a time capsule of old Oregon.

Forever immortalized in concrete, this Simpsons etching was crafted by show creator Matt Groening.

As a show of peace, a Japanese naval pilot gifted his 400-year-old Samurai sword to the Oregon town he bombed.

This unassuming cheese empire in rural Oregon churns out more than 150,000 pounds of cheese each day.

No two pieces are exactly the same at Portland's hippo-themed hardware store.

This graveyard is the eternal home of many brave pioneers who settled the Great Northwest.