Gargoyle head that brings good luck.

Controversial site of what could be Europe's first pyramid.

This historic timepiece is thought to be the only public clock in the world that keeps lunar time.

The place where World War I began.

These warring psychedelic crags commemorate an unsuccessful military operation.

A bridge destroyed three times: once as a ruse, then in an actual attack, and finally for the movies.

The tower was originally used as a chimney for the waste incinerator of St. John's Precinct and Market.

According to the Guanches, the aboriginal people of the Canary Islands, the king of evil lives inside this volcano.

Climb to the top of the world's largest seated bronze Buddha.

The strange behavior of a tween led to allegations of witchcraft and a curse being placed on anybody within earshot.

A beautifully eclectic mix of architectural styles.

A unique seaside cave where Aleister Crowley faked his own death.

The sign at the garden gate reads: "These Plants Can Kill."

High Victorian fantasy created a fairytale castle out of a ruined fortress in Wales.

No telescopes, no power, no gift shop: The Observatory of Chichen Itza, one of the world's oldest observatories, takes astronomy back to basics.

The site of the famous Nazi book burning campaign of 1933 remembers its "Night of Shame".

Installed in an act of one-upsmanship, the annual sundial in this church is also a symbolic victory for the Gregorian calendar.

Once an opulent Art Nouveau hotspot, the Constanța Casino is one of Romania's most beautiful abandoned buildings.

A subterranean house of worship carved right out of the bedrock.

A minotaur, a labyrinth, and a dubious restoration pull in visitors from around the world.

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

Ozymandias’ time-keeping temple.

The "Prussian Versailles" that is as glorious today as when it was built.

Morocco's Argania trees are infested with nut-hungry goats.