The perfectly preserved underground rooms where Churchill plotted the war against Germany.

The popularity of Sherlock Holmes led to the creation of his fictional address, turning the orderly London street numbers askew.

Be on the lookout for the symbolic insect all over the city.

Manchester's abandoned train depot lingers in a post-industrial purgatory.

Despite having a dome made of papier-mâché this tiny observatory has survived for over a century.

A tiny, hidden alleyway dedicated to the father of meteorology.

19th century museum with an eclectic mix of curiosities, from Egyptian artifacts to items on archery history to the skull of the world's oldest horse.

A 19th-century time capsule of travel, fiction, and historic texts still available to the public.

Have a seat with the father of modern computing at this Manchester monument.

Dating back almost 400 years, the oldest public collection library in the United Kingdom was once the study hall of Karl Marx.

A Victorian Gothic masterpiece housing a world-class collection of rare books and manuscripts.

A giant wooden soda bottle pays homage to a distinctly British drink on the very spot where it was invented.

Singapore's landscaping project is home to 18 incredible Supertrees.

This dangerous-looking suspension bridge may have been too unstable to remain open.

Once the private home of China’s most legendary tycoon, getting inside this stunning mansion no longer requires an elite pedigree or acts of daring.

Australian museum dedicated to human health and lack thereof.

The yawning remains of a complex naval fortress still haunt this Australian shore.

The first tourist attraction to offer tours for interstellar tourists.

A massive stairway that almost wasn't leads to one of Australia's most scenic vistas.

This trio of Australian rock spires may have inspired aboriginal legend or just modern tourism.

Come for the flowers, stay for the bats!

The largest Chinese cemetery in the world outside of China dates back to the 15th century.

Giant relaxing Buddha in Malaysia.

The largest tea plantation in Southeast Asia supplies gorgeous vistas alongside tea for the surrounding countries.