One of the most beautiful bookstores in the world hides a neo-Gothic interior behind an art nouveau facade.

400-year-old garden, restored to beauty.

Twin Peaks' real life Double R Diner has been restored to its damn fine television look.

An artsy hidden staircase leads to breathtaking views of San Francisco.

A 16th-century horror show built in a lovely Italian garden.

The names Lúthien and Beren can be found inscribed on the shared grave of the famous writer and his beloved wife and muse.

An architect transformed this abandoned cement factory into his castle-like workshop.

This unreal Portuguese palace looks as though it's made from a pile of different castles.

The verdant mossy ruins of a Franciscan monastery lie in the remote Sintra hills awaiting exploration.

This eccentrically decorated palace is replete with grottoes, fountains, tunnels, and caves.

A floating cat sanctuary on an Amsterdam canal.

The mysterious, fantastical woodland inspiration for "The Lord of the Rings."

The oldest stone house in Paris was built by its most famous alchemist.

The skulls and bones of thousands of soldiers line the walls of this small Italian chapel.

The sweetest graveyard in the world is filled with headstones for dearly de-pinted ice cream flavors.

This sprawling Jewish cemetery is one of the largest in Europe.

A narrow passage next to a cafe leads to a courtyard exploding with murals, tags, and paste-ups.

This museum is home to a sugar sculpture of the Berlin Airlift Memorial.

Reminders of the Battle of Berlin still scar the railway.

A museum in the building where Nazi Germany signed its surrender tells the story of World War II from the Soviet perspective.

When German-Iraqi relations broke down, this embassy was vacated post haste.

A 12th-century fortress containing some of Berlin's oldest buildings.

From toys to kettles to scientific instruments, this German museum celebrates the beauty of 20th century design.

Where once there was a train station bathroom, there is now this German burger joint.