This massive collection of British military artifacts includes the heartbreaking personal letters of the men in the trenches of WWI.

The sixth of London's "Magnificent Seven" cemeteries, and a source of unlikely inspiration to Beatrix Potter.

Thanks to modern navigational tools we now know that the true prime meridian runs through a park next door.

Scattered throughout London are ancient remnants of the city's former bounding wall.

This hidden green space is the city's second largest conservatory.

An unusual round church in London with a Templar past.

Rebuilt remains of a temple to Roman god Mithras.

A 1,215-foot tunnel transports pedestrians beneath the River Thames.

Eighty million natural history specimens call this gargantuan museum home.

Kings Cross Station pays tribute to its role in Britain's best-selling book series.

A 300-year-old tea shop that brought tea to the English people, not to mention the Queen herself.

This working class sculpture pounds his hammer all the livelong day.

This rare wildlife haven in Singapore feels like you're in the tropical rainforest.

This tranquil park with a spiral viewing tower is an off-the-beaten-path area where renowned people have planted a small grove of trees.

A disused quarry turned lake in the middle of a residential district.

Singapore's last surviving traditional village is hidden among giant skyscrapers and modern infrastructure.

A former reservoir that was only recently discovered after more than 60 years of disuse.

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

The largest pool at its elevation sits on top of one of the most expensive resorts in the world.

One of the largest Chinese cemeteries outside of China spent years overgrown and forgotten.

This statue once earned the distinction as one of the "Three Major Disappointments of the World."

A manifestation of modernist architectural ideas, this massive, multi-purpose building was one of the first of its kind in Southeast Asia.

This fountain was once heralded as the largest in the world.

Rainbow shutters decorate this former police station.