American involvement in World War I officially ended in 1921 in New Jersey, three years late and thousands of miles from the battlefield.

The remains of a community that was forced to move for a dam that never materialized still rot in this Pennsylvania park.

Historic town settled in the 19th century because of its convenient location along a popular coal transport route.

A hidden treasure in London with a rich medieval history, and the resting place of many luminaries.

One of the few remaining casualties of the London Blitz, this destroyed church has become an enchanting public garden.

This ornate Victorian marketplace was the setting for Diagon Alley and the Leaky Cauldron in the first ‘Harry Potter’ film.

The commemorative stone column conceals a secret laboratory.

Kings Cross Station pays tribute to its role in Britain's best-selling book series.

This one has sailed five times as far as Sir Francis Drake's famous ship.

An incarceration museum on the spot of possibly the oldest prison in England.

Hear the quietest sound from across the dome.

This massive collection of British military artifacts includes the heartbreaking personal letters of the men in the trenches of WWI.

An unusual round church in London with a Templar past.

The fierce beast perches atop a pedestal marking where the historic City of London gates once stood.

A 300-year-old tea shop that brought tea to the English people, not to mention the Queen herself.

The quaint little store that is said to have inspired a famous Dickens novel was only given its name after the book was released.

This London plaque marks the spot where David Bowie's famous alien made his debut.

This luxury shopping lane has been protected by its own tiny police force for over a century.

An alleyway plaque is all that remains of the independent Texas' envoy that forgot to pay their rent for over a century.

A charming 17th-century alley is lined with secondhand bookstores and antiquarian shops.

The television series' iconic giant foot was borrowed from this classical painting.

Five candy-colored villages on the Italian Riviera.

A world-class collection of mechanical musical instruments and automata.

Fossilized sea bottom and lime quarry.