Science meets wall art to highlight the beauty of famous mathematical equations.

This centuries-old pub boasts a collection of more than 4,500 snippets of neckties from around the world.

Once the world's biggest telescope, it was later used as a coat hanger by a famous Dutch astronomer.

This skewed English house has looked like it's going to fall over for centuries.

The next-door homes of two very different musicians, George Frideric Handel and Jimi Hendrix.

The famous polar explorer stands outside the Royal Geographical Society's headquarters.

A measuring mishap led to these artificial stone ladies losing their stomachs.

This ancient Hawaiian henge may have been an early star chart.

A miniature model of what will be the world's largest telescope.

This iconic high-rise residential block was one of the last to be built in the Brutalist style.

Wedding chapel's mysterious spiral staircase said to be miraculously constructed.

A surprisingly detailed model of the world's most powerful radio telescope.

One of the world's most advanced radio observatories sprawls across the Atacama Desert.

This 11th-century castle sits so low you can't see it behind the surrounding buildings.

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

This legendary urban waterfall creates a dazzling display of rainbows.

A mysterious shape catches the eye in this 16th-century painting.

This tallest folly in the world began its life as an elaborate factory chimney.

A copy of the brutal decapitation device that predated the French Guillotine by about 200 years.

This Georgian architectural masterpiece is the only cloth hall left in Britain.

A plaque marks the humble origins of an artistic muse who embodied the ideals of Pre-Raphaelite beauty.

The spot where three Protestant clergymen were burned at the stake during the reign of "Bloody Mary."

This beautiful 19th-century temple stands atop the ruins of its predecessor.

Legend says these colorful, invasive residents are the descendants of birds released by Jimi Hendrix.