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

The final resting place of the great navigator, or maybe his brother.

This charming fountain honors Felix Salten, the creator of the iconic storybook deer.

The sinister ruins of one of the worst dam failures of the 20th century lie in this astonishing alpine setting.

The Sighignola summit on the Swiss border offers views so breathtaking it's been named one of the most beautiful places in Italy.

This house is adorned with a serenade macabre from the Counter-Reformation period.

A subterranean display of public art and architecture.

A small square plaque marks a failed assassination attempt that could have changed history.

Tucked away inside this concrete building is a church and its grand display of brutalist architecture.

A garden in Lisbon filled with giant porcelain creatures.

This quiet, unassuming spot in Budapest was the birthplace of the bloody 1956 Hungarian Revolution.

This stunning, out-of-the-way Croatian monument commemorates a community's uprising against occupying fascist forces.