A popular European tradition makes its way to the states on one of America's most famous bridges.

This one-man homegrown eatery may be the world's most exclusive restaurant with its five-year waiting list.

Bug-devouring flora are the stars of a special wing of the glass conservatory.

Austria's ultra-modern art museum looks like Cthulhu's giant alien heart.

A huge wooden clock that is so beautiful its creator was forcibly blinded.

This Communist-era residential block is one of the longest residential building in Europe.

A mysterious chasm in the heart of the ancient Roman Forum, the Lacus Curtius was once believed to be a gateway to hell.

The Pope’s secret escape route.

Over two centuries old and counting, Madrid's massive botanical garden contains one of Europe's only desert environments.

Madrid's romantically ornate crystal palace has been offering shelter to plants and art for over a century.

Commonly acknowledged as the only public monument to the Devil himself.

An ancient Egyptian temple in the middle of Madrid, Spain.

The charmingly disheveled clock tower of Tbilisi's puppet theater.

Museum dedicated to "the man who moved the Earth."

An impressive monument to Poland's independence.

The earliest known map to show America, discovered by accident at a Paris bookshop.

A favorite with sightseers and locals alike, this Norwegian funicular provides easy access to a stunning view of Bergen and its environs.

There aren't too many operational funiculars around, but Pittsburgh has two!

Museum dedicated to literary greats of the Romantic Period is also the home in which Keats met his untimely end.

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

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

It houses the remains of a 17th-century version of the Titanic.

Macabre astrological automaton clock dating to the late 1400s.

Despite attempts by local police to discourage it, Beatles-inspired graffiti has been a means for artists to air grievances for decades.