The curios of pharmacist and collector Henry Wellcome.

Wedged between two buildings at the Great Ormond Street Hospital is this secret music installation.

The longest hedge maze in the world.

The world's only complete colossal squid specimen is on display at the Te Papa Museum.

Tubing through a cave lit with glowworms is a magical underground experience.

This snug medieval lane is one of the narrowest streets in the world.

This memorial to the victims of the Romanian Revolution of 1989 is often compared to a potato on a skewer.

A tongue-in-cheek arcade where the games are based on everyday life.

Gothic tower where Lord Alfred Tennyson wrote the poem "The Sleeping Beauty."

65 million-year-old chalk outcroppings mark the end of the Jurassic Coast.

In 1943 the British military took control of this village, telling residents they had to leave temporarily. The villagers were never allowed to return.

England's most notorious suicide spot.

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

The remains of Crystal Palace Great Exhibition of 1851.

A Victorian natural history and ethnographic museum with wonderful turn-of-the-century, science-book-esque evolution displays.

Remnants of a Victorian garden feature sitting in public woodland.

Believed to have once stored either human remains or rice wine, thousands of mysterious stone jars lie in ruin.

This cavern was used as a hidden hospital and safe house during the Vietnam War.

This quirky collection is an interactive exhibit crammed with creative contraptions and tinkered-with toys.

This electric green sulphur lake in New Zealand looks like a cartoonish radioactive dump site.

Major tourist destination known for its bubbling mud-pools and hot thermal springs.

The real life Hobbiton, this sheep farm has been forever transformed since being built for The Hobbit film series.

This deadly little sliver of beach has seen hundreds of whales beach themselves over the years.

After the devastating 2011 earthquake, historic Christchurch begins to recover, starting with the pop-up Re:START mall.