Pilgrimage site for star-crossed lovers.

This medieval castle was reconstructed by Carlo Scarpa.

An American ghost town hides along a side street in Scotland's capital.

This obscure walkway links Edinburgh’s Old Town with one of the city's prime vantage points.

This stately bank building hides a spectacular star-studded ceiling.

An artistic interpretation of the history of a Scottish park, combining poetry with anthropomorphic animals.

A roadway designed for a visiting monarch.

A public art piece that barely gets recognized, but then that might be the point.

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

This historic timepiece was a popular meeting place for romantic rendezvous in the 1960s.

Not merely a museum – but a whirring powerhouse that offers a subterranean peek into the heart and soul of cable car operations.

The last remaining relic of San Francisco's glittering 1915 Panama Pacific Exposition.

It would be easy to walk past this unusual piece of art and have no idea it pays tribute to the odd life of a real chicken.

One of the few surviving Panama Canal steam shovels stands outside a tiny Colorado mining museum.

Water and windows define this defensive Italian well.

This quaint Italian town keeps losing ground as the sides of its plateau slowly erode.

This peaceful sanctuary is one of the oldest Buddhist temples in Colombo.

A palatial sculpture park was built illegally and in secret by a self-taught artist over 36 years.

This 15th-century mosque is a beautiful blend of Hindu and Islamic architecture.

This 16th-century mosque is the hallmark of the African architectural legacy in India.

A deeply beautiful 15th-century stepwell with a tragic story.

This magical place built as an astronomical center starred as a James Bond villain's lair.

A fearsome dragon clings to a corner of Munich's city hall.

Go surfing on this urban wave, "hacked" by local surfers.