Piet Blom, the Dutch architect behind Rotterdam's quirky cube houses, envisioned an urban forest when he created these unusual stacked apartments.

Meant to represent individual trees, the cubes are slanted at an angle and painted a bright shade of yellow. They're an instantly memorable landmark — no small feat in a city that's made a name for itself with its boundary-pushing building design. Inside the cube houses, which were completed in 1984, bespoke furnishings make the most of every inch of space, while the geometric angles of their windows are an ever-present reminder that these apartments break the mold. Most of the cubes are private residences, but one is a museum that curious visitors can tour.

This Rare, Limited-Time Travel Credit Card Offer Is Turning Heads

If you've been on the fence about getting a travel card, but are itching to plan more trips, then this just might be the perfect card for you. Earn a rare welcome bonus to use towards travel with this incredible card's limited-time offer. Take advantage while you can because it might be gone soon!

Buckle Up for a Ride on the World's 10 Fastest Roller Coasters

Since the first modern roller coaster debuted in Paris in 1817, modern technology has allowed coasters to become even faster, taller, and more daring. If you're a speed and adrenaline enthusiast, here are 10 of the fastest roller coasters in the world you can ride today.

6 Secret Airline Perks Most Travelers Don't Know About

We can probably all agree that the golden age of air travel is long behind us, but that doesn't mean flying these days has to be run-of-the-mill — you just have to know what to look for. From helpful (and free) amenities for families to the invite-only memberships airlines keep under wraps for their most loyal customers, these are six of the coolest secret airline perks you never knew existed.