This unique architectural wonder is also tied to one of the 20th-century's most renowned writers.

This Industrial Age architectural and engineering gem helps visitors and residents alike traverse Lisbon, “The City of Seven Hills.”

Sip cherry liqueur at a bar dating back to 1840.

Ring the bell to enter a bar that looks equal parts museum and old curiosity shop.

Famed for its pie, this eatery has a hidden tunnel that allowed Catholics to secretly walk to church during the Reformation.

Rejoice at Amsterdam's ‘pop temple,’ a former church reborn as a raucous music venue.

One of the few surviving examples of Victorian-era public toilets now houses a small homestay.

Twelve plaster figures inspired by da Vinci's famed painting haunt the desert landscape above a real-life ghost town.

An icon of the Battle of Britain is frozen in flight in a grand Victorian museum.

Vibrant paintings stretch across 600 feet of derelict railway.

Inside this art museum resides one of Glasgow's most famous musical instruments.

A 19th-century Neoclassical building now housing a Hindu temple represents modern-day Glasgow at its most multicultural.

A unique art installation located on what was once considered the widest railway bridge in the world.

Glasgow's memorial to the International Brigade volunteers from Great Britain who fought and died in the Spanish Civil War.

The pub has been in operation since 1819 on the banks of the Clyde.

Glasgow's oldest pub has a proud literary tradition and possibly a ghost or two.

Glasgow's own "tipsy" temperance monument.

This townhouse was once the original home of the Scottish Football Association.

This museum offers a glimpse into early 20th-century Glasgow life.

Displaced highlanders would take shelter from the wet Scottish climate under the large walled bridge at Glasgow Central Station.

Massive puppet-automaton machines created by French artist collective Machines de l’Ile.

In this Parisian garden's grotesque former life as a zoo it fed exotic animals to the bourgeois and put humans on exhibit.

Though this bridge was originally built in the 12th century, only one of its 10 arches dates back that far.

Hundreds of years ago, this lion-shaped door knocker could help a person accused of a crime find temporary safe haven in Durham Cathedral.