This former shopping center now acts as the eccentric lair of the Venezuelan secret police and their shadow prison.

The largest cemetery in Louisville is the final resting place of Col. Sanders and Muhammad Ali.

An old railroad crossing that’s been converted into a pedestrian bridge.

This small, unassuming street is now a canvas for color and creativity.

This striking public art installation is suspended above a public park, designed to gently move in the breeze.

This castle tower in Wales leans at a steeper angle than the Leaning Tower of Pisa.

This Cardiff Bay landmark traces its history back to when Norwegian ships transported coal from Wales.

A harem-inspired Moorish fantasy design in a Victorian-era Welsh castle.

The castle still holds traces of the abandoned Roman fort it was built atop.

These wire animal sculptures commemorate the exotic inhabitants that once called the Tower of London home.

Giant, friendly pelicans in Central London, the most unlikely of places.

Originally meant to hold a statue of King William IV, this support sat empty for years. Today, it hosts a rotating cast of public artwork.

These official units of measurement—including chains and perches—lie hidden beneath tourists' feet in a popular London hub.

The purported midpoint in London from which all distances are measured has a tragic love story at its core

This Moorish fortress has guarded Málaga from the slopes of Gibralfaro hill for nearly a thousand years.

A Spanish town built into the cliffs.

An eccentric collection of antique items shares space with a prop-quality witchcraft museum.

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.

The taxidermy remains of the first mammal ever cloned from an adult cell are on display in Edinburgh.

A church that bred legends, and served as an inspiration for the Da Vinci Code.

London's last remaining public soapbox site has seen speeches from Karl Marx, Vladmir Lenin, and George Orwell.

Revel in the Victorian splendor of the world's oldest eating establishment inside a museum.

There are plenty of wonderful panoramic vistas in Edinburgh, but not many are hidden smack in the middle of the Old Town.