A million and a half tons of earth were used to create one of the world's largest land sculptures.

The world’s oldest surviving single-arch railway bridge.

Originally meant to hold a statue of King William IV, this support sat empty for years. Today, it hosts a rotating cast of public artwork.

Formerly known as Saville Theatre, this mid-20th-century entertainment hub includes an ornate frieze.

An eccentric Victorian aristocrat's enormous collection of medieval armor and weapons from around the world.

The Great Fire of London and the regulation of one-way streets both started in this alley.

The medieval woodcut-style artwork chronicles life in medieval London.

Legend says these colorful, invasive residents are the descendants of birds released by Jimi Hendrix.

The bridge is a secret gallery of discarded gum that has been transformed into miniature masterpieces.

An unusual ode to the late Irish playwright, complete with a squiggly bust and coffin-shaped bench.

A statue of the legendary Celtic warrior queen who fought the Roman invaders stands in one of the cities she once destroyed.

Lovers proclaim their unbreakable bond by leaving their names on locks fastened onto the Shoreditch fence in East London.

Where condemned pirates met their grisly end at the gallows on the River Thames.

The Columbia Road Flower Market is now open every Sunday, rain or shine.

The John Snow Memorial marks the epicenter of London's 1854 cholera epidemic.

Thanks to modern navigational tools we now know that the true prime meridian runs through a park next door.

A Victorian natural history and ethnographic museum with wonderful turn-of-the-century, science-book-esque evolution displays.

London's smallest police station is barely the size of a phone booth.

A 1,215-foot tunnel transports pedestrians beneath the River Thames.

Eighty million natural history specimens call this gargantuan museum home.

A charming 17th-century alley is lined with secondhand bookstores and antiquarian shops.