
Villa Caroisla (Ealing, London) —
The windows at Villa Caroisla (Nick Baker Architects) are meant to frame the view outside as though it were a living piece of art.

Hidden House (Kensington, London) —
Hogarth Architects-designed Hidden House 's huge finished basement, light-up dance floor and waterfall were featured on the British homes show Grand Designs.

Shopfront Apartment (Camden, London) —
This shop conversion from architects James Daykin and Mark Marshall (who themselves volunteered with Open House London in the early 2000s) is unique in its inclusion of the open window at the front of the house, and its creative dining booth.

New House (Hampstead, London) —
This modernist home from Guard Tillman Pollock Architects guarantees privacy with carefully placed windows and screens, and high walls around the front and back courtyards.

A Hard Working House (Fitzrovia, London) —
It's hard to believe that A Hard Working House, fully renovated by Urban Projects Bureau, was once dilapidated student flats. It's stunning rooftop patio more than makes up for the lack of green space.

Magic Box (Ealing, London) —
Magic Box, designed by Matt Keeler of KSKa Architects, represents the homeowners' desire for a contemporary home with a Scandinavian feel.

Clonbrock Road (Hackney, London) —
Don't be fooled by this home's dark exterior. The inside is full of light thanks to the massive windows Lipton Plant Architects designed for the other side.

Quay House (Southwark, London) —
Once a 1930s milk depot, Quay House was converted in 2001 into an architect's studio and home.

30 St Mary Axe (London) —
But Open House is about more than just residences. London's "Gherkin" is among major London skyscrapers to open. Visitors had a chance to tour the foyer and top of the 40-story, curvilinear landmark.

Groupon (Chicago) —
Internationally, Groupon's colorful offices in Chicago include an Enchanted Forest, a Fun Zone with swing sets, and a giant cat in a spaceship. You can tour the office during Chicago's Open House event, October 18-19.

190 South LaSalle (Chicago) —
The 190 South LaSalle building in Chicago features a richly decorated 40th-floor law library with floor-to-ceiling windows and views of Lake Michigan.

Creative Arts House (Perth, Australia) —
The Creative Arts House in Perth, Australia, is a quirky warehouse affectionately nicknamed the "LoveNest." Open House weekend in Perth starts November 1.

Port of Brisbane (Australia) —
A free tour at the Port of Brisbane will let visitors see how an efficient and sustainable port operates. Brisbane will host Open House events October 11-12.

XXXX Brewery (Brisbane, Australia) —
The XXXX Brewery will be open during Brisbane Open House. Visitors will gain insight into the 135-year history of the Queensland beer icon.

Horizontal House (Thessaloniki, Greece) —
Horizontal House is a family home on a slope overlooking the ocean in Thessaloniki, Greece. Its exterior and interior are characterized by modern lines and spheres. Thessaloniki Open House takes place November 14-16.

Solid House (Karst Pertot, Slovenia) —
Made of stone and wood, Solid House in Slovenia features a bookshelf that doubles as stairs to its upper level. Slovenia will host Open House events October 3-5.

Garden Village (Bled, Slovenia) —
This ecological resort in Slovenia was built over an abandoned gardening space. Glamping tents allow guests to live close to nature without sacrificing luxury.

Centre of Space Technologies (Slovenia) —
The design of the Cultural Centre of European Space Technologies in Vitanje, Slovenia, was inspired by the 1928 plan for the first geostationary space station.

Collection of Tiffany Glass (New York) —
The Neustadt Collection of Tiffany Glass in New York displays pressed glass used in beautiful Tiffany lamps, windows and other works. Open House New York takes place October 11-12.

NSB Group building (Oslo, Norway) —
The joint headquarters of Norway's state rail company and the Gjensidige insurance firm won a major Norwegian architectural award in 2014. Oslo held its Open House event September 12-14.



