Quite simply the largest tree in the world (by volume).

This hidden fire lookout offers spectacular views of Sequoia National Park.

The second-largest giant sequoia in the world.

The last remnant of a tree that helped prove to the world that sequoias are real—and they’re spectacular.

World-famous, Pink's still manages to keep its prized cult fetish status.

London’s first road overpass is so old that it was originally built for horse-drawn carriages.

Public access to clean drinking water was an instant hit among the masses.

A portly statue of a golden boy commemorates an unusual cause of the Great Fire of London: the sin of gluttony.

London's only public statue of the much-married monarch adorns the gate to St Bartholomew’s Hospital.

A plaque hangs near the execution place of the Scottish Independence leader famously depicted in "Braveheart."

One of London’s rare Tudor-era buildings is a fate-defying gatehouse for a church.

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

A mysterious carving from 17th-century London seemingly depicts a young boy sitting on a bread basket.

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

What might be the oldest living tree in London has survived fires, bombings, and estate agents.

Near the site where the English Archbishop was born, you can find an emblem in the shape of a pilgrim's badge.

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.

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

The site of London’s first coffee house has been serving refreshments of one kind or another for 360 years.

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

This ornate Victorian marketplace was the setting for Diagon Alley and the Leaky Cauldron in the first ‘Harry Potter’ film.

A mysterious pair of mice eating a piece of cheese is London's smallest public sculpture.

This legendary stone is of unknown origin, and throughout history has been a literal touchstone for British leaders.

Over several decades, one of London’s most iconic city gates was dismantled, moved out of the city, and then moved back.