The house that Frank Lloyd Wright "(shook) out of his sleeve at will" at the age of 86.

Frank Lloyd Wright’s most iconic home dangles over a Pennsylvania waterfall.

Sleep in a Frank Lloyd Wright-designed home or dine in the treetops in this architecture park.

An Olympic hero stripped of his medals is buried in a town he never visited, which took his name after his death.

This splendid Versailles-inspired mansion has the largest French-style formal gardens in North America.

The Decoy Capital of the World.

Romania's triumphal arch looks out over Bucharest.

The kitsch mansion of the former Romanian president Nicolae Ceaușescu features a golden bathroom.

This communist behemoth is the heaviest building in the world and a legacy of a brutal regime.

A giant portrait of an ancient king looms over the river.

This 14th century castle withstood years of battle but is now sliding off the hills into the Danube.

Built in 1870 at the bridge that connected Buda and Pest, this spectacular incline railway was almost lost forever during World War II.

Once the home of a hermetic monk, this cave now houses a small church.

This Hungarian castle was built out of cardboard and wood until it proved so popular that it got upgraded to stone.

A Trabant car, a kangaroo statue, and a plethora of plants take over this abandoned-factory-turned-bar.

A trail of iron footwear stands as a monument to the thousands executed along this riverbank during WWII.

A statue in Budapest's Liberty Square honors the former U.S. president's efforts to end the Cold War.

The last remaining vestige of a popular 1999 public art display.

Dedicated to the art and science of glass in equal measure, this space is as much laboratory as museum.

This lush forest valley was once mined for lumber to the extent that it was once nicknamed "The Pennsylvania Desert."

A train station that was abandoned by the coal industry and converted into a cocktail bar. Now it’s home to the local visitor bureau.

Explore nearly 200 years of guitar-making history

The birthplace of the beloved colorful crayons right in downtown Easton

One of the world's oldest continually operating bookstores.