Unconventional site where the tracks of Zurich tramcars intersect.

One of a series of no-purpose kinetic artworks by Swiss sculptor Jean Tinguely.

This historic covered bridge contains a series of macabre paintings that communicate one thing: everyone dies.

This memorial commemorating fallen Swiss Guards of the French Revolution has been called the saddest stone in the world.

A nearly 500-year-old sculpture depicts a man eating a sack of babies, and no one is sure why.

The largest bell in the world has been swinging high above a Cologne cathedral for almost a century.

Thousands of tourists and residents in Cologne affix "love padlocks" on the Hohenzollernbrücke Bridge to symbolize their affections.

This bustling Italian plaza is built on the ruins of an ancient Roman amphitheater.

Fortified medieval tower house with lovely roof garden.

Drink wine handed out through a window as part of an age-old tradition.

The bomb-ravaged remains of of a colossal Neptune.

Renaissance hospital featuring a rotating door into which unwanted babies were dropped.

Five candy-colored villages on the Italian Riviera.

This statue inspired by Renoir's famous painting embodies the jovial spirit of Key West.

The walls of America's oldest masonry fort famously "swallowed" cannonballs.

An underwater statue of Christ blesses the depths off Key Largo.

The famous boat that once ferried Bogart and Hepburn still floats in Key Largo after being abandoned for years.

A Circus legend leaves an unexpected endowment.

A vast array of tropical plants collected by a vacationing couple.

A community of collapsing homes more than a mile out from the Florida coast.

The first custom-designed building to showcase the works of Dale Chihuly is a wonderland of glass and light.

The former home of the Nobel Prize-winning American writer is now home to dozens of six-toed cats.

A mysterious castle built as a monument to lost love.

The only swimming pool listed on the National Register of Historic Places is emptied and refilled each day with naturally filtered water.