The site of London's first coffee house has been serving refreshments of one kind or another for 360 years.

This ornate Victorian marketplace was the setting for Diagon Alley and the Leaky Cauldron in the Harry Potter films.

A clock designed to run with perfect accuracy for 10,000 years.

This intricately carved and hilariously huge bed was such a famous symbol both Shakespeare and Byron used it in their writing.

Charles Babbage's proto-computer, painstakingly brought to life.

Eighty million natural history specimens call this gargantuan museum home.

Repository for more than 22 million pickled specimens.

The bar where "The Great Train Robbery" was planned was once a nexus of high society and low morals.

The final resting place to 300 Victorian-era pets hides inside the city park.

Elaborate tile work in this railway station tells the story of Portugal.

One of the most beautiful bookstores in the world hides a neo-Gothic interior behind an art nouveau facade.

Lovers proclaim their unbreakable bond by leaving their names on locks fastened onto the Shoreditch fence in East London.

Historic church where a number of Shakespeare's actors are buried.

A community of artists and entrepreneurs seeks a simpler life on London's waterways.

This abandoned five-star hotel is now a five-star urban exploration destination.

The largest hot spring in the United States is, as the name suggests, a stunning show of natural color.

A beautiful geyser under environmental threat.

One of nature's most well-scheduled phenomenons resides in Wyoming's Yellowstone National Park.

London's last remaining public soapbox site has seen speeches from Karl Marx, Vladmir Lenin, and George Orwell.

The second-largest gold nugget in existence, displayed in a Las Vegas casino conveniently named the Golden Nugget.

This eccentrically decorated palace is replete with grottoes, fountains, tunnels, and caves.

An ancient and majestic fortress that played an integral role in Portugal's road to independence.

Legacy of the earthquake that nearly wiped Lisbon off the face of the Earth.

This Industrial Age architectural and engineering gem helps visitors and residents alike traverse Lisbon, “The City of Seven Hills.”