Built in 1870 at the bridge that connected Buda and Pest, this spectacular incline railway was almost lost forever during World War II.

Absolutely no saxophones in the library.

This homeless brass fox tugs at your heartstrings from the foot of a Stockholm bridge.

An ancient Viking runestone hidden in plain view in Stockholm's old town.

Sweden's oldest street has not changed for nearly a millennium.

The discovery of an old wall led to the creation of this fascinating museum about the city in the Middle Ages.

Stockholm's narrowest alley is barely over two feet wide.

Stockholm's deepest subway station is also a stunning ecological wonder.

Stockholm's decidedly unique public transit system has doubled as the world's longest art gallery for decades.

Brightly colored 30-foot-tall totems light up the desert sky just outside Las Vegas.

This little blue house pokes out over the campus of UC San Diego, seven stories high.

This former wildlife sanctuary is being transformed into an art park.

A famous hotel houses an impression collection of mini dioramas and giant doll houses.

The narrowest street in Canada was once a spot for dastardly doings, now a historic piece of Chinatown.

This historic Victorian hotel has a scandalous history of affairs and murder.

A wall of chewing gum moonlights as collective art.

This square in downtown Eugene is dedicated to the novelist and countercultural figure Ken Kesey.

This daunting 1st century fortress was purportedly the site of one of the most dramatic revolts of the Jewish-Roman wars.

The only quarter of the Old City not dedicated to a major world religion.

A "miracle" that seems to produce more holy fistfights than holy revelations.

Descend 2,030 years into the past in an ancient tunnel built to support Jerusalem's most famous wall.

This 11th century tower is said to be the oldest building in Oxford.

Six ravens are kept captive (but well-fed) at the Tower of London to prevent the fall of the Crown.

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