A giant sculpture of the legendary "Salmon of Knowledge" celebrates the return of fish to Belfast's River Lagan.

The last Victorian market in Belfast.

The statue honors a beloved bird that once roamed St. George's Market.

The only monument to name all of the passengers and crew who died on the RMS Titanic.

For part of the year, this innovative greenhouse is painted white to keep the plants from getting scorched.

This Victorian-era public house has set the standard for pub-style elegance for over a hundred years.

It was once nicknamed "the most bombed hotel in Europe."

An archway adorned with vulnerable flora and fauna.

The world's oldest family-run magic shop is hidden beneath a bustling London thoroughfare.

A living memorial to the trees London lost during the Great Storm of 1987.

An agreement meant to honor the Duke of Buckingham led to this unusually-named passageway near Charing Cross.

These ornate arches show how the course of the River Thames has changed.

England's most famous front door has an accidental doppelganger.

Inside a London bookstore, a fireplace that once belonged to the illustrator responsible for a famous set of tarot cards.

The remains of the great moral philosopher reside in a university in London.

The last four extravagant street signs of London's historic banking street.

These Victorian era devil sculptures were designed to spite a local vicar.

This statue of one of the engineers who created the London Underground hides a ventilation shaft for the tube lines that run under the street.

A tribute to all the green-thumbed workers who tend London’s public parks and gardens.

A secluded green oasis amidst the towering skyscrapers, bears an unusual moniker that reflects one of the city's oldest guilds.

A quiet memorial to those who died saving others in the heart of the City of London.

The ruins of a church destroyed by both the Great Fire of London and the Blitz, now turned into a peaceful garden.

One of the largest objects salvaged from the famous sunken passenger ship.

A forgotten underground railway once whooshed trams beneath London.