Some 4,000 individual tiles make up this striking blue billboard from the golden age of air travel.

A replica of the Roman emperor in glorious full color.

One of the largest Roman settlements in Portugal.

The corpse bride of Portugal.

The crumbling ruins of an abandoned 12th-century monastery.

Europe's largest collection of matchbox designs is a fascinating exploration of the cultural history of the world.

A stunning 18th-century site where pilgrims ascend by a series of punishing stairs only to return via funicular.

In Portugal, a larger-than-life painting of America's first Black female firefighter.

One of the most spectacular bridges in Spain spans a narrow chasm that divides the city of Ronda.

Three bridges and one giant canyon make up this fantastic Spanish settlement.

Sip cherry liqueur at a bar dating back to 1840.

This tile-work piece featuring a chicken riding in carriage is both a remarkable artistic creation and a social commentary of politics and culture in 17th-century Portugal.

Ring the bell to enter a bar that looks equal parts museum and old curiosity shop.

Eat the ultimate iteration of Portugal's most beloved pastry.

This unique architectural wonder is also tied to one of the 20th-century's most renowned writers.

The oldest church building in the state.

This shrine is an ode to the region's rich Hispanic heritage.

Reproductions of nine banned oil paintings coyly hidden behind a curtain in a New Mexico conference room.

Three witches are said to be buried beneath these unmarked concrete graves.

This public square capitalized on a single Eagles reference to bring some life back to an Arizona town.

A unique collection of artistic rides

This 4,000-foot-diameter hole is touted as "the most well known, best preserved meteorite crater on Earth."

The story of Two Guns, Arizona could easily be described as a Shakespearian tragedy on Route 66.

A pair of giant roadside arrows are all that remains of a former Route 66 trading post.