Old-fashioned knowledge and modern engineering create the world's only rotating boatlift.

The heads of two giant mythological water horses honor Scotland's horselord past.

360° views of the city plus five floors of optical illusions and hands-on science.

A remarkable feat of Victorian engineering across the Firth of Forth.

The exorbitant price of paradise.

Single runway interrupted by a busy road that cuts across its middle.

The iconic boulevard is the perfect place to catch sight of a bicycling skeleton, a levitating Satan, or a chef with his head stuck in a pizza.

Construction of Barcelona's iconic (but controversial) church is expected to be completed in 2026—a century after the death of its architect.

Gaudí's famously flamboyant architectural style is on full display in this sprawling park and garden.

Longest fortress system anywhere in Europe.

The local club's soccer field is practically surrounded by UNESCO-protected monuments.

A random tree outside a Budapest hotel has become a DIY shrine to the late singer.

A trail of iron footwear stands as a monument to the thousands executed along this riverbank during WWII.

The geographical center of Budapest is marked with a 10-foot-tall stylized zero.

Possibly the world's largest hourglass only needs to be reset every New Year's Eve.

Giant WWII fortresses that fired 8,000 rounds a minute, now home to thousands of pigeons.

This series of Baroque passageways in Vienna's cultural center mix old architecture with modern art.

The topiary maze at the Habsburg hunting lodge.

While most shipwrecks are submerged, this ship in Cyprus ran ashore.

An ancient necropolis of magnificent tombs.

This private skyway is filled with art and was expanded explicitly so that Hitler could appreciate a river.

A copy of the famous statue can be found in this Florence piazza, along with one of the most breathtaking views of the city below.

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

The ruins stand as a somber reminder of France’s worst civil catastrophe of the 20th century.