On the Spree bank, discover one of the last reminders of a symbolic wall that divided, and was torn down by the people.

This museum offers an actual time machine back through Colorado's past.

The spot in the Mile-High City that's exactly 5,280 feet above sea level (at least for now).

One of the greatest heroes of the Titanic tragedy came from humble beginnings to this beautiful home.

A downtown park built on top of unclaimed graves.

The Denver airport is guarded by a 32-foot-tall sculpture of a demonic horse.

The largest source of fossilized insects anywhere.

The highest bridge in America was built for an almost unnervingly small amount of money.

When ecosystems collide in the arid Southwest.

The ancient dwellings of the Puebloans, located in the cliffs of majestic mesas.

The watery entrance for condemned prisoners heading to the Tower of London is still visible along the Thames.

Richard III supposedly disposed of his nephews' bodies here in an effort to seal his claim to the throne.

Giant, friendly pelicans in Central London, the most unlikely of places.

Eighty million natural history specimens call this gargantuan museum home.

The perfectly preserved underground rooms where Churchill plotted the war against Germany.

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

Famously misunderstood wonder of the ancient world

A six-ton wedding present for the King of the Scots.

The final resting place of soldiers' loyal canine companions.

Ancient cliffs resembling a kilt on Scotland's second largest island emit an entrancing sound.

The most iconic structure in Scotland has been home to bishops, colonels, and Sean Connery characters.

Twelve grave-faced marble angels guard the emperor's tomb at Les Invalides.

The water-powered carriages are long gone, but for over a century this funicular railway has been the fastest route to the highest point in Paris.

A little sculpture with a large wardrobe.