More than 200 unconventional musical instruments that anyone can play.

This historic "City of the Dead" lies prominently in the center of New Orleans' famous Garden District.

The largest Art Nouveau complex in the world is a Barcelona hospital with a 600-year-long history.

Construction of Barcelona's iconic (but controversial) church is expected to be completed in 2026—a century after the death of its architect.

One of Antoni Gaudí's most classic buildings is well-known for its "dragon-back" design.

Gaudí's famously flamboyant architectural style is on full display in this sprawling park and garden.

This striking art museum holds an amazing series of curiosity cabinets.

Offering commanding views of the California coastline, this restaurant was a hub for the artists and bohemians of Big Sur.

Early prototype for Frank Lloyd Wright's Guggenheim.

This weird abode has inspired everything from the "House On Haunted Hil" to a robot hunter's pad.

This hilltop park offers magnificent views and a Frank Lloyd Wright masterpiece.

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.

One of many reminders of Tesla's scientific contributions overlooks the falls which inspired him.

The walls are decorated with whimsical murals painted by the creator of the Madeline franchise.

Though its celestial ceiling is impressive, the true star is the vast collection of French books.

Scattered throughout London are ancient remnants of the city's former bounding wall.

Once at the center of U.S. finance, the historic Trading Room was meticulously recreated piece by piece and rebuilt in the Art Institute.

Once called the "Polish Gold Coast" it is an icon of the neighborhood that bears its same name.

This $3 million model train takes you through Chicago, Seattle, and the thousands of miles in between.

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

Each of these gorgeous, intricately decorated rooms is painstakingly crafted to the scale of 1 inch: 1 foot.

This massive stained-glass masterpiece is thought to be the largest Tiffany dome in existence.

A speakeasy takes on Chicago's drinking culture.