A replica of the steam engine that hauled Queen Victoria's Royal Train is on display at Windsor.

At just 51 feet and 10 inches long, it's the shortest street in England.

All unmarked mute swans on the Thames are owned by the Queen per a tradition that began in the 12th century.

This innovative steam machine was no doubt the most famous of the pioneer locomotives.

Picturesque ruins once held off mighty armies.

Traveling this mountain pass reveals quaint stone buildings, stunning Irish scenery, and a bridge said to grant wishes.

The pile of books behind the dignified writer gave the statue a most undignified nickname.

Stare out over the lagoon and beyond from this 10th-century campanile on the island where the city of Venice began.

Those who own or stay at this 500-year-old, allegedly cursed house often meet terrible fates.

Thousand-year-old Viking runes adorn an ancient Greek lion at the entrance to the Venetian Arsenal.

Two stone columns flank the grand Venice square, but there were supposed to be three.

This abandoned island off the Venetian coast has been a radical monastery, a political prison, and a secret Nazi base.

Go inside to really appreciate this 500-year-old technological masterpiece.

Venice's "Island of the Mad."

This community on a small Venetian island has taken to painting their houses in bright neon hues.

The hidden ruins of an old hydroelectric plant reclaimed by nature.

Tourists often confuse this beautifully ornate former cigarette factory for a mosque.

This unique medieval artwork featuring the story of the Antichrist remained lost for decades.

The walls of America's oldest masonry fort famously "swallowed" cannonballs.

This beautiful 19th-century temple stands atop the ruins of its predecessor.

A recreation of the doomed ocean liner in the middle of the Smoky Mountains.

A once-thriving hotel in the Swiss Alps couldn't compete with climate change.

Edinburgh's oldest statue hides within a parking lot behind the city's iconic cathedral.

A beloved, quirky little fountain featuring a large frog spitting water at a naked boy.