France's high-tech, future-themed amusement park.

The prototype for all Nazi concentration camps.

A place steeped in history that may be best known as the set of a 1960 film.

Spanish architects used seized Muslim gravestones to rebuild parts of the fortress.

A New York–based physician returned home to Spain to build his own elaborate monument to Christopher Columbus.

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

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

This quaint Spanish village agreed to be painted blue as a marketing stunt but found that they preferred it that way.

A curious carving hides on a marble column in the Mosque-Cathedral of Córdoba.

Spain's unique Mosque-Cathedral has been a place of worship for both Muslims and Christians throughout its history.

Spain's largest bullring offers a unique glimpse at architecture and history.

The world's largest wooden structure.

Inside this Jewish cemetery is a memorial to soldiers who deserted the German army and were executed.

Oddly enough, a pair of Wolfs funded the construction of this Little Red Riding Hood sculpture.

Long tunnels run under the ancient chariot racing circuit to the tower.

The highest point of this Balearic island is home to a historic monastery.

Giant topiary dog once played a role in a terrorist bomb plot.

Hundreds of stone stairs and a winding medieval bridge connect this haunting Spanish island to the mainland.

This tiny river island switches sovereignty every six months as part of a rare, centuries-old agreement.

The eclectic observatory castle of a 19th-century astronomer and explorer.

This indoor ski resort has a mountain contained inside a mall.

This futuristic building is yet another architectural wonder in Dubai.

On any given day this sprawling market houses literally tons of government-regulated gold, gems, and precious metals.

The world's largest frame offers spectacular views of the city's past and present.