The lasting remains of a bygone era of open-air meat markets.

This statue includes small details that highlight a city of "firsts."

These markers are used to determine the ground stability of the Strip.

A rotating bridge that carries a little canal over a larger one.

At night, the enormous sculpture looks like a UFO hovering above the English hills.

This historic club for wayward boys has shaped some of the biggest names in music almost as much as they have shaped it.

A 19th-century time capsule of travel, fiction, and historic texts still available to the public.

The ancient mosaics here are considered among the finest in the world, and serve as a stunning record of Greco-Roman daily life.

This allegedly haunted 16th-century tower house-turned-museum exhibits thousands of spectacular objects.

The fountain marks the area where hundreds of accused witches were burned at the stake.

This historic castle was already in ruins by the 13th century.

One of Mexico's youngest major cities still holds on to this structure representing its short modern history.

Experience the glam side of air travel without leaving the ground at this speakeasy.

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

This monumental fountain has moved around the city multiple times.

The church and nearby castle are all that remains of a medieval village, mysteriously abandoned.

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 artificial lake surrounded by Brutalist architecture served as a stand-in for futuristic Britain in Stanley Kubrick's 'A Clockwork Orange.'

Tucked away behind the mansions of Mayfair, this picturesque garden is a hidden London treasure with a spooky past.

An isolated "phantom bridge" doomed to crumble into ruin.

This small record store was a favorite of Oasis's Noel and Liam Gallagher, who mentioned it in one of their early songs.

Still standing despite its considerable slant, this tilted lighthouse has become a local symbol of resilience.

One of Mexico's least-visited archaeological sites is tucked away inside a theme park.

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