The multiple levels of the Marriott Marquis hotel in downtown Atlanta
A beautiful cantilever staircase with mesmerising geometric lines
A distinctive building reaches into the sky on Market Street, San Francisco
A corner of the abstract exterior of The Broad contemporary art museum in downtown Los Angeles
Apartments twist as they rise in an unusual building in San Francisco
A haunting chamber deep in the bowels of a basement in the city of Lyon
Stairwells jut out of the shiny steel exterior of the modern Lloyds Building in the City of London
Globe lights cascade down the centre of the Brewer staircase in the Heals Building, London
The jagged lines of the wall of a salt depsitory in the city of New York
A concrete corner forming part of the brutalist architecture of the Hayward Gallery on London's South Bank
Multiple levels of the Marriott Marquis in Atlanta, together forming unique patterns
Unusual windows fittings jut out into the skyline from a block of apartments in Manchester
The cathedral-like architecture of the Oculus Center in Lower Manhattan, New York
The unique architecture of the Guggenheim Museum in Manhattan draws you ever upwards
The squinty bridge across the river Clyde in central Glasgow
The vaulted ceiling of the Lady Chapel inside Liverpool's Metropolitan Cathederal
The ceiling of Kings Cross train station flows upwards from the concourse floor
Frosted windows create a unique pattern
Daylight shines down into the atrium of the Museum of Liverpool
The structure of the Long Beach Public Library forms a seemingly endless perspective of lines and reflections
Balconies of a tower block poke into the sky in London's Barbican complex
A pair of lifts hang to the shiny steel side of the modern Lloyds Building in the City of London
Lines converge on the brutalist architechture of the National Theatre on London's South Bank
The sun shines down into the huge core of the Ponte City building in the central business district of Johannesburg
Looking upwards into the centre of the Brewer staircase in the Heals Building, London
The atrium of the much-lauded Fulton Street subway station in Lower Manhattan, New York
The vertical lines of an adjacent building are warped by the the imperfect windows panes of a tall building in San Diego
Sweeping girders hold up Blackfriars Bridge at low tide on the River Thames
The spiral ramp of a city-centre car park in Toulouse
Rust starts to form on the structure of an arched bridge in Salford Quays, Manchester
Square blocks criss-cross the underside of a balcony of the National Theatre in London's South Bank Centre
The geometric curves of a staircase at the Tate Modern in London
A setting sun shines through a grilled wall onto wooden planks
A mesmerising sea of bright discs curl towards a vivid blue sky
The beautiful curves of the Brewer staircase in the Heals Building, London
Copper tiles flow from a central skylight down either side of a building in central Manchester
The veins of the atrium of the Oculus Center are highlighted on a bright day in southern Manhatten
A collection of square windows looking onto the courtyard of a modern hotel in Berlin
The flowing lines of the Galilee building in Toulouse
Cirrus cloud floats high in the sky above a small park in Santa Monica
Numerous balconies jut out into the city skyline from a building in Montpellier in southern France
Distinctive brickwork of a store in downtown San Francisco
Brick-shaped panels line the side of an austere building in downtown Los Angeles
Colourful dome lights illuminate a deserted cavernous station on the U-Bahn in Munich
The regular pattern of windows picks out the clear blue pigment of the sky
A bridge in downtown Los Angeles links two brutalist buildings
Adjacent columns support the cables of a pedestrian bridge in Salford, Manchester
A beautiful spiral staircase forms the shape of an eye and its pupil
A beautiful wooden staircase spirals upwards with geometric perfection
An abstract image of one of the 13 structures in the Jantar Mantar Observatory in New Delhi
The shell-like roof of the Lotus Temple casts a distinctive shape against the New Delhi skyline
The colourful window panes of a tall skyscraper in Manhattan reflect the evening sunset
The curves of Walt Disney Music Theatre in downtown Los Angeles jut into the clear sky
The curves of a spiralling endless staircase contrast with the rigid, rectangular architectural design an office block in Munich
An endless sea of window panes of a skyskraper in downtown Los Angeles
The stark geometry of a downtown Los Angeles office building, with its repeating patterns and cool blue palette, punctuated by a burst of sunlight