A modernist landscape of water and sci-fi concrete.

Remains of Roman amphitheater hidden in a sleepy quarter of Paris.

This historic funicular system combines the old with the new while offering delightful views over the surrounding valley.

A beautiful maze marks where three countries meet.

A copy of the Statue of Liberty greets visitors to the birthplace of Auguste Bartholdi.

Explore this medieval cathedral by trying to spot all the malevolent monsters hiding in its beautifully colored windows.

There has been an astronomical clock on this spot since the 14th century.

The second-highest train station in Europe.

A historic observatory precariously perched at the "Top of Europe."

A reimagined 19th-century Acadian village featuring authentic Cajun-style homes filled with artifacts specific to the period.

Artist James Turrell's ode to dawn and dusk on the campus of Rice University.

The peaceful space is adorned by paintings by the famed abstract artist Mark Rothko.