The L.A. Zoo has a secret garden of rare bootleg cycads, a palm specimen dating back 280 million years.

A faux European lane smack dab in downtown L.A.

A tropical paradise just a short trip from the opera house is filled with beautiful winged creatures.

The final resting place for the remains of 143 Habsburg royalty.

The crypt of the imposing Stephensdom holds royal intestines and thousands of skeletons.

Journey through a mesmerizing array of board games inside this museum.

In the middle of a Vienna square, Roman ruins dating back some 2,000 years are on display.

A glimpse into the festive and private lives of medieval Europe.

The solemn exterior conceals an opulent interior of this 17th century church.

Inside the corridors of this flea market, visitors are sure to find some obscure and odd treasures.

One of the best collections of wax anatomical models in the world.

Vienna's giant wonder wheel had a starring role in one of the greatest noir movies of all time.

This museum promotes informed contraception by documenting its often secret past.

The mall's looks were inspired by the cowboy extras who used to meet up—and cause real trouble—at this Hollywood hub.

Housed in an old church, this hunting museum holds a collection of mythical bird-rabbit creatures.

This 8th-century Bavarian monastery is home to an exquisite Baroque-era library.

One of the most easily accessible examples of the rare 1960s UFO houses.

The largest treasure hoard in Europe is contained in a castle that was bombed out during World War II.

This museum tells the story of lake dwellers from 4000 BC to 850 BC, replete with stilt houses and goats.

A fearsome dragon clings to a corner of Munich's city hall.

In addition to fine dairy products, the world's most beautiful milk shop also offers a feast for the eyes.

The prototype for all Nazi concentration camps.

Golden cobblestones remember a time when this small alley was used to avoid having to give a Nazi salute.

These bronze pamphlets remember a remarkable group of Germans who fearlessly opposed the Nazis in the very center of their power.