What is it about mushrooms that makes people wish they lived inside of them?

This groundbreaking 16th-century map is known as "America's birth certificate."

Peek into a cave of giant, glimmering crystals.

Spend the night in this formerly abandoned traditional Scottish village.

This little valley along Highway 1 is engulfed by thousands of lilies during the spring season.

The impeccably spiced roast pork buns at this bakery are worth the wait.

Dine on ceviche tacos in the sea at this floating restaurant only accessible by boat.

A literally moving statue of stacked metal giants just continually trying (and failing) to find love.

There's a crumbling old mansion inside the Smithsonian National Zoo.

The meeting of the northwestern corner of Delaware, the northeastern corner of Maryland, and the southern edge of Pennsylvania.

A palatial horse museum outside Shanghai is home to the most pampered horses in the world.

This freshwater spring fills with 10,000 gallons of water per minute.

This store offers tastes of Aboriginal Australia, with some contemporary and global twists.

Nine limestone rock stacks on Australia's "Shipwreck Coast."

A clear example of the process of erosion in action.

One of the youngest volcanic eruption sites in Australia.

These naturally occurring but rare geological formations are each about the size of a small house.

The Gunditjmara Aboriginal people of Australia began construction on this vast aquacultural complex 6,600 years ago.

An incredible garden taking over the interior of a massive sinkhole.

Victoria's largest salt lake is a favorite haunt for photographers and stargazers.

An island off the coast of South Australia is home to the last purebred Ligurian bees.

This urban stream flowing underneath Tasmania's capital city is also an unofficial gallery for street artists.

The forgotten and tragic story of the thousands of female convicts forcibly transported to Tasmania is told inside the ruins of this notorious 19th-century workhouse.

This extraordinary geological oddity resembles human-made pavement.