Hidden within Sydney’s lush Royal Botanic Garden is a walled cactus rockery and the site of Australia's first zoo.

Though considered an eyesore by some, this boxy Brutalist high-rise plays a significant role in Sydney's past.

Come for the flowers, stay for the bats!

Abandoned British military fortifications, slowly being reclaimed by nature.

A raised Japanese building has preserved 8th-century artifacts for more than a millennium, earning this log cabin a reputation as the "world's oldest museum."

These tiny pine-covered islands have inspired art and poetry for centuries.

This enormous monument is one of the most iconic structures in Tokyo, rudely nicknamed "The Golden Turd."

Nine Gardens in one—with tea service.

A mysterious ancient elephant said to possess magic powers is now the symbol of a Sicilian city.

Known as the "Valley of the Moon," this Jordanian wadi is one of the most amazing desertscapes on Earth.

This controversial statue once honoured a Russian Field Marshall, before ultimately being dismantled in a push to remove symbols of Russian influence.

This park built on a former fortress has a reputation for romance.

A former imperial sea-fortress and Soviet prison.

A mysterious plaque to the even more mysterious "Fr. Pat Noise," killed in "suspicious circumstances."

This medieval Estonian tower provides access to a series of tunnels that have been home to soldiers, punks, and fine art.

The world's longest outdoor covered escalator system transports commuters through Hong Kong's hilly terrain.

These 90-year-old murals of local kings, Vikings, and outlaws hide in plain sight in a beautifully baroque shopping arcade.

The English Civil War began right here in 1642.

This tiny alleyway is now a shrine to a subculture riot between the mods and rockers.

This inn of the court provides a fascinating window into London’s legal and architectural history.

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

The whimsical twist of this spire was either caused by the Devil, an unexpected virgin, or lead.

Children's hospital in London that operates on royalties received from Peter Pan, which J.M. Barrie signed over in 1929.

A 26-foot shark sculpture—a statement about bombs—set off a municipal battle royale.