One of Canada's oldest museums, the beautiful Redpath has been serving up Natural History and Ethnography since 1882.

An enigmatic modern marker left next to a historic Roman site.

Rome's first modern graffito is all that is left of a peaceful protest from the 1970s.

Ancient ruins hidden underneath a modern luxury hotel.

Roman-era ships unearthed...

Gods clash with machines in a power plant regenerated as a museum.

Brass cobblestones mark the places where individual Holocaust victims were taken from their homes.

The "Greatest Sewer" of ancient Rome is one of the oldest sewer systems in the world, and is still in use.

Hundreds of lucky felines haunt the ruins where Caesar was murdered.

The yawning maw of this pagan visage is said to bite off the hands of liars.

This hidden rooftop garden in downtown London offers a quiet respite from a bustling city.

A faded reminder of what was once a common sight in London during the Blitz.

The gigantic skull of a long-extinct species that once roamed the forests of England and Ireland.

This open-air mosaic gallery honoring an English artist took hundreds of volunteers more than seven years to create.

This pub was 238 years old when it decided to revamp its image: It started serving Thai food.

Its collection includes a broad array of social, geographic, graphic design, and political history.

A sculpture outside London's oldest cathedral honors the Mohegan chief who died while petitioning the king.

This historic building displays the remains of a victim of the devastating 14th-century plague.

Residential building on the Regents Canal is a breeding ground for creativity and innovation.

The sculpture of the deceased cockatoo flops atop its personal plinth.

"We gonna rock down to Electric Avenue, and then we'll take it higher..."

This unique bridge curls up like a caterpillar to let boats pass and then unfurls again to span a small canal.

Black cat statues guard this temple-like Egyptian revival factory.

Revel in the Victorian splendor of the world's oldest eating establishment inside a museum.