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

The celebrated eyesore created by starry-eyed sweethearts.

A large portion of this navigable canal runs under Paris's famed boulevards.

Former hunting lodge of a duke who was an avid collector of impressionist works.

The narrowest street in Paris.

This modest marker near Notre Dame identifies the very center of Paris.

Aqueducts have dramatically changed this old lake, now home to tufa towers and its very own species of tiny brine shrimp.

Amsterdam's narrowest house facade is a monument to 17th-century tax evasion.

Tucked in the back of a flower shop, its collection details the fascinating history of the Netherlands's iconic symbol.

This city square is home to Amsterdam's oldest church and a statue honoring Dutch sex workers.

One of Hawaiʻi’s most notable historic petroglyph fields lies within a major resort.

Watch the newest land on the planet form before your eyes.

Earth's tallest volcano is sacred to Native Hawaiians, and home to a dozen world-class observatories.

One of the largest museums in Ukraine remembers the story of the German-Soviet War in iconic, brutalist style.

Historic medieval fortified city in southwest France.

An Aladdin's cave of old Silicon Valley tech.

A gathering of green robots at the Googleplex.

When California condors were hovering on the brink of extinction, this recovery program was charged with helping the birds thrive again.

A volcanic cone that formed over 600 years ago.

This giant shopping mall still holds signs of its automotive past.

This controversial depiction of the "Founder of California" looks as though it was sculpted from mashed potatoes.

Thousands of turbines whir at the origin of North American wind power.

It took years to decode its mysterious messages.

Where a railroad loops under or over itself to rise or drop more than 70 feet in a short distance.