The United States’s oldest funicular railway glides up and down a steep Pittsburgh street.

An obsolete, vanishing traffic device warns Cincinnati drivers away from middle-of-the-road obstructions.

This whimsical campus lawn is dotted with large sculpted numbers and hidden mathematical formulas.

The world's first aircraft factory has been hiding inside an automobile plant for almost 80 years.

The largest earthwork effigy in the world.

An all-American grocery store in Paris sells U.S. "cuisine" like Pop-Tarts and Heinz ketchup to homesick ex-pats.

The celebrated eyesore created by starry-eyed sweethearts.

Ordinary art transforms to extraordinary thanks to locals' quirky sense of humor.

A 16th-century fountain marks the site of a lost medieval cemetery once filled with mass graves.

This bridge was constructed from the rubble of the infamous Bastille.

A series of abstract, silly sculptures represent the works of a great modern classical composer.

The water-powered carriages are long gone, but for over a century this funicular railway has been the fastest route to the highest point in Paris.

Beggars were miraculously "cured" of their fake ailments when they returned home to this 17th century Paris slum each night.

This life-size replica of the Statue of Liberty's flame is also a tribute to Princess Diana by default.

This surreal statue brings a famous French novel about a supernatural cad to arresting life.

A lone cannonball remains lodged in the walls of the Hotel de Sens as a sober reminder of a revolution.

This charming cobbled backstreet is the most Instagramable street in Paris, much to the residents' annoyance.

A favorite Paris bar for U.S. expats, including Gershwin, Hemingway, and James Bond.

Walk upon the mementos of the dead in this Parisian courtyard paved with medieval tombstones.

This modest marker near Notre Dame identifies the very center of Paris.

High atop the Eiffel Tower is a small apartment built exclusively to entertain the science elite and make the rest of Paris jealous.

This statue was given to France by the United States to commemorate the centennial of the French Revolution.

The home of the Dead Sea Scrolls is an abstract modernist dream.

Biblical beasts and endangered animal preservation come together in this Israeli zoo.