An extensive collection of reliquaries containing the bones of saints housed in the largest Catholic church in Venice.

A new sculpture calls attention to climate change in the centuries-old city it threatens.

World-famous, Pink's still manages to keep its prized cult fetish status.

Historic funicular railway, believed to be the shortest railroad in the world.

Daily jousts and dancing barrel makers in Munich's mechanical clock.

Hollywood's most famous landmark, the "temporary" sign that has stood for decades longer than intended.

America's most famous piece of self-built architecture.

Vienna's giant wonder wheel had a starring role in one of the greatest noir movies of all time.

Baroque celebration of the end of the Great Plague of Vienna.

A statue in Budapest's Liberty Square honors the former U.S. president's efforts to end the Cold War.

A random tree outside a Budapest hotel has become a DIY shrine to the late singer.

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

From Austrians to Nazis to Soviets, this historic Budapest fortress has a history as complex as the city itself.

A trail of iron footwear stands as a monument to the thousands executed along this riverbank during WWII.

This wall on a street corner in Lower Manhattan has been a blank canvas for a rotation of renowned artists since the 1980s.

This 220-year-old house is a reminder of New York City's Dutch past.

Dyed by iron oxide over centuries, these sandstone rocks rise thousands of feet into the sky.

An exotic wildlife habitat right off The Strip.

One of the world's tallest Ferris wheels takes visitors high above Las Vegas in a spinning party room.

The "Seinfeld" diner.

Wall Street has a new heroine, a bronze statue of a small but fierce girl.

A small peaceful park and waterfall tucked amid the urban grind of Midtown Manhattan.

A bit of retro transportation flair preserved in the world's largest department store.

A discreet little stairway on St. Nicholas Avenue leads to a quaint and unexpected cobblestone street of 19th century wooden rowhouses.