One of the most important yet well-hidden museums dedicated to the history of medicine.

This Roman arch marks the location of an ancient gate at one of the Seven Hills of Rome.

Architectural monsters are devouring this palace's every door and window.

In the past, Renaissance sex workers were encouraged to entice customers on this bridge.

Where Venice's gondolas go for a tune-up.

This palatial spiral staircase was so unusual the name "snail" was given to the noble family who built it.

Go inside to really appreciate this 500-year-old technological masterpiece.

This community on a small Venetian island has taken to painting their houses in bright neon hues.

Some of the greatest minds in the history of Hungarian art and science converged in this café.

This off-beat, quirky communism-themed bar isn't afraid to poke fun at its history.

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

This Hungarian castle was built out of cardboard and wood until it proved so popular that it got upgraded to stone.

A series of caves under Castle Hill that once held the prisoner Vlad Tepes, better known as Count Dracula.

A relic of World War I that now exist as a piece of public art.

A triumphant marble and bronze fountain depicting a 15th-century Hungarian king and his hunting party.

From cartoon characters to tiny tanks, a guerilla sculptor's little bronze statues are hidden throughout the city of Budapest.

A fake Transylvanian castle houses a cathedral of antlers.

This theatre and its amazing marquee harken back to the Golden Age of Hollywood.

This sandstone mansion was the home of two of Oregon's most important pioneers.

Now housed in a museum, this giant pink elephant stood in downtown Seattle for more than 60 years.

The decorations were inspired by an unlikely missing treasure.

This sci-fi gazebo located in a Washington power town is made from old bits of industrial electrical equipment.

A giant roadside black bird marks the location of this eclectic local mall.

People come from across the globe to swim in this lake believed to have healing properties.