The slender brass strip in Prague's Old Town Square was used to tell time from 1652 to 1918.

An eerie, existential museum dedicated to the author of "The Metamorphosis."

Macabre astrological automaton clock dating to the late 1400s.

Bridge that died in war and was resurected.

The complex has been abandoned since the Croatian War of Independence, barring a stint as a set for 'Game of Thrones.'

This monumental fountain has moved around the city multiple times.

This hidden Art Nouveau courtyard is an opulent feast for the eyes.

Hundreds of lucky felines haunt the ruins where Caesar was murdered.

France's national museum of scientific and industrial instruments.

This iconic Parisian bookstore doubles as the "Tumbleweed Hotel" for traveling writers.

Abandoned railway line circling the city of Paris.

France's most famous cemetery, with some of its most curious tombs.

The vast, legendary catacombs hold secrets much stranger than stacked bones.

A ship that lived many lives under many names is now known merely as the "Ghost Ship."

Where beautiful signs live on forever.

The Victorian-era greenhouse is stuffed with tropical plants, and open 365 days a year.

A book collector's dream, this Toronto bookstore has the world's first "Biblio-Mat," a random book vending machine.

The remains of a paranoid inventor's hidden workshop lie in beautiful ruins amidst a Canadian park.

A beautifully designed asylum was resurrected as a hotel and art center with a ghost story or two.

This former hub for crafty philosophers was founded by a writer who died aboard the infamous RMS Lusitania.

This restored house is like a time capsule of the president's unconventional inauguration.

Buffalo's abandoned concrete grain elevators are getting a second life.

This unique crypt designed by Frank Lloyd Wright for his longtime friend was not completed in either man's lifetime.

Ruins of a once-prized railroad station in New York.