Portugal's National Pantheon has a history of curses, collapses and financial problems.

A replica of the Roman emperor in glorious full color.

This ship offers visitors the chance to spend the night aboard a former floating hospital for fishermen.

These primitive rock paintings include a very beloved depiction of a woolly mammoth.

An ancient stone structure that, according to legend, was built by witches.

A stone structure built thousands of years ago on the Iberian peninsula.

The walls of these four caverns are filled with art that dates back to the earliest human presence in Europe.

Marvel at this immense work of art that greets arrivals to the city.

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.

An archeological treasure trove stumbled upon by a couple of children.

Get a close-up look at a 16th-century Basque whaling ship at this factory and museum.

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 Navarrese cave's history of witchcraft and pagan ritual is not just embraced, but recreated each year.

This huge abandoned fortress hidden inside a mountain holds a world of subterranean secrets.

The site of a legendary battle immortalized in medieval literature.

A museum dedicated to the Spanish occult in a town that was terrorized by the Inquisition.

This medieval chapel is now a shrine to the region's favorite sport.

A priceless work by the 17th-century Dutch master is on display in the parish church of a French village.

Winston Churchill painted this lake during his stay Woolsack Castle in the Landes forest.

A waterfront landing pad designated for unidentified flying objects still awaits its first guest.

The bizarre home and sculpture garden of an eccentric artist.

Lady Liberty's original designer installed a little clone in this French fountain.