This fountain was designed to honor the man who helped bring water to Barcelona.

This home designed for chocolate magnate Antoni Amatller is an exquisite treasure-box of Catalan Modernism.

A vista of the city and sea from atop the little-known viewing deck on an unassuming Columbus statue.

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

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

Construction of Barcelona’s iconic (but controversial) church was finally completed in 2026—a century after the death of its architect.

Some of the best pastries in "the Czech heritage capital of Texas" come from a gas station off I-35.

A city park that sits on top of a freeway.

Erotic art covers the walls of the largest ancient pleasure palace.

Ancient snack bar of the Roman Empire re-opened.

The last moments of the ill-fated Pompeiians, frozen forever in plaster.

An ancient Roman temple first dedicated to an emperor's wife is now a church.

This small, ancient Roman temple was once a church dedicated to the patron saint of penitents.

The ruins of the largest gladiatorial school in Rome are largely hidden under modern streets.

This ancient market is often referred to as the oldest shopping mall in the world.

A mysterious chasm in the heart of the ancient Roman Forum, the Lacus Curtius was once believed to be a gateway to hell.

This Paris art space celebrates the creativity and ingenuity that springs from abject poverty, especially in Africa.

The tradition of open-air secondhand and antiquarian bookselling in Paris dates back to the Renaissance.

This life-size replica of the Statue of Liberty's flame is also a tribute to Princess Diana by default.

A favorite Paris bar for U.S. expats, including Gershwin, Hemingway, and James Bond.

A scandalous Art Nouveau collaboration that set Paris all atwitter at the turn of the 20th century.

Paris' linguistic guide to the international language of, yes, love.

The vast, legendary catacombs hold secrets much stranger than stacked bones.

Hundreds of lucky felines haunt the ruins where Caesar was murdered.