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

This vast masterpiece of Moroccan architecture spreads across 20 acres.

Fortune tellers, snake charmers, poets, and storytellers all gather on this historic square in Morocco.

It took 40 years to build this Eden-like garden in Marrakech, later restored by Yves Saint-Laurent.

One of only two commuter aerial tramways in the United States.

The one-stop shop for all of your superhero (or evil arch-nemesis) needs.

Elevated freight railway turned wildly successful urban park.

The world's oldest bookshop still in operation.

A king's pet, a pope's gift, an artist's inspiration, and a tragic shipwreck.

Elaborately carved to showcase the glorious wealth that the age of exploration brought to the Portuguese empire.

This once-forgotten oasis in the middle of Lisbon was first created over a century ago quite by accident.

Tiny castle in the middle of the Rhine made you pay to pass.

Legendary site where an evil bishop was devoured by rodents.

This historic funicular system combines the old with the new while offering delightful views over the surrounding valley.

A whimsical art tower at a Bavarian brewery includes a grotto for its mythical beer-brewing dwarves.

This peculiar museum offers hands-on interaction with seemingly intangible principles of mathematics.

Originally envisioned by King Ludwig II to rival Versailles, Herrenchiemsee's "New Palace" remains half-gilded for lack of funds.

The footprint of a frustrated devil in Munich's Cathedral.

The prototype for all Nazi concentration camps.

Wall Street has a new heroine, a bronze statue of a small but fierce girl.

A grand Gothic Revival basilica with stained glass depictions of Montreal's religious history has only one soul resting in its crypt.

Montreal's colorful subway station shows its support of the local LGBT+ community.

Designed by Buckminster Fuller, this relic of the 67 Expo survived fire and ice.

The twin towers in this Chicago fountain use 50 foot tall video screens to spit on people.