A open air theatre built on a cliff by an eccentric British woman.

At high tide, the base of the lighthouse covers practically every inch of the island.

Around 30 ship figureheads are housed at this 11th-century abbey and gardens.

It was once nicknamed "the most bombed hotel in Europe."

Originally commissioned as a sculpture to reflect the history of Belfast's red-light district, the final sculpture has been banned from Belfast public land.

This Victorian-era public house has set the standard for pub-style elegance for over a hundred years.

These barriers stand as stark reminders of Northern Ireland's troubled past.

Belfast's namesake river still winds below the city center, hidden from sight.

These engineering masterpieces are a dominant feature of the Belfast skyline.

This incredible viaduct was part of the Victorian railway boom and helped the Midland Railway navigate tough terrain.

This bridge once allowed Dere Street to cross the River Tees.

This beautiful example of Victorian engineering is the oldest water-balanced funicular anywhere in the world.

This enormous sculpture honors an English town's engineering and industrial heritage

Built in 1911, the Tees Transporter Bridge is one of only six transporter bridges still in operation.

This innovative steam machine was no doubt the most famous of the pioneer locomotives.

The world's oldest railway bridge in continuous use.

A locomotive made from 185,000 bricks celebrates the town's pioneering railway history.

A bronze tribute to Mika Häkkinen's 1998 Monaco victory.

This statue of the great Argentinian car driver is located near a famous curve of the Monaco Grand Prix.

This Swiss cemetery is reserved for people who died in climbing accidents.

The ruins of the largest gladiatorial school in Rome are largely hidden under modern streets.

Historic fortifications form the boundary of Vatican City, but it’s not entirely surrounded by walls.

Skulls and skeletons are omnipresent in this church dedicated to souls trapped in purgatory.

People have been living in the cave houses on this Italian hillside since the Neolithic era.