A super-sized promotional trick that is now a D.C. landmark.

The first purpose-built art gallery in the United States is once again open as a center of craft arts.

This stunning blue and gold room changed cities twice before becoming part of the Smithsonian.

A three-story tower of books about Abraham Lincoln is one of the more unusual monuments to the president.

A monument in Washington D.C. marks the spot from which all other roads were supposed to stem.

There's a 12-foot-tall replica of the Washington Monument hidden under a manhole nearby.

A wondrous old library overlooking the nation's capital.

The United States Capitol's former columns still stand.

A 2000-year-old Roman amphitheater lies just below Guildhall Yard.

The wooden telephone box hidden away in London's Piccadilly was the original prototype of the iconic kiosk.

The rose garden in Regent's Park where Pongo and Perdita met for the first time in Disney's "101 Dalmatians."

One of the few remaining casualties of the London Blitz, this destroyed church has become an enchanting public garden.

This ornate Victorian marketplace was the setting for Diagon Alley and the Leaky Cauldron in the Harry Potter films.

Visiting this café is like visiting the Austrian grandma you wish you had.

Physicist’s epitaph provides final confirmation to a career of turmoil.

A neo-Gothic church built to thank God for saving the Emperor of Austria from an assassination.

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

These relics of the city's past now exist as a prominent modern feature.

A silly medieval mural preserved on the side of a Viennese house.

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

Legends surround an ancient tree trunk riddled with nails for good luck.

This Austrian museum celebrates the work of famous forgers and their inimitable imitations.

The topiary maze at the Habsburg hunting lodge.

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