California's longest-running tourist attraction is a stump.

The cavern’s main chamber is so vast that the Statue of Liberty could reportedly fit inside it.

A celebration of once forgotten materials.

A 19th-century California philanthropist is entombed beneath the telescope he funded.

The world's first permanently occupied mountain-top observatory continues to report on the stars.

These ancient ruins were the final resting place of King Henry II's mistress.

Used as an example in one of the first dictionary entries for "museum" in 1706.

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

Stone carvings celebrate the legacy of a now-defunct theatre.

A storied London perfume shop that supplies scents for royalty has been operating out of this storefront for nearly 300 years.

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

Bronze sculpture celebrating the relationship between Churchill and Roosevelt.

Heralded as the oldest statue in London.

The next-door homes of two very different musicians, George Frideric Handel and Jimi Hendrix.

This five-star hotel was originally a swanky parking garage.

A brutalist gem towering over the heart of Milan.

Legend says this public grazing area hasn't been plowed for thousands of years.

This former military airfield's claim to fame came from a lucky accident during the Second World War.

Look up from the busy streets to discover how time is kept!

This Norman castle was once the site of a Victorian-era prison, and now exists as a luxury hotel.

A man-made island in scenic San Francisco Bay.

Hidden beneath the streets of London is a secret subway that only carried mail.

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

Order a salt beef-loaded beigel at any hour of the day or night at this East End institution.