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

The last vestiges of a magnificent Victorian-era train station can be found in this pub.

19th-century scientists would make the pilgrimage here to verify the precision of their measuring sticks.

These 19th-century gas tanks were remade into an apartment complex.

This stone spire holds a unique place in the region's history.

The pockmarks across the building's facade are remnants of the Blitz.

A recently restored Shoreditch landmark with ties to Jack the Ripper.

London's first edible insect farm offers facility tours and cooking classes.

Sculptor Antony Gormley used chaos theory and fractal growth to design his tallest creation.

London's marvelous wildfowl reserve along the Thames.

The remains of an ancient Roman teenager are memorialized at the base of a modern London landmark.

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

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

Explore nearly 400 years of English middle-class home life.

This London plaque marks the spot where David Bowie's famous alien made his debut.

San Francisco's oldest surviving monument and meeting place for 1906 survivors.

A pair of mutilated bronze octopuses slump at the base of the monument honoring California's admission to the U.S.

This concrete tangle of square pipes has stood as a proud thorn in the city's side since the '70s.

These WWII-era murals were initially booed as a libelous portrayal of the American dream but have survived multiple attempts to have them destroyed.

Hawaii’s largest cemetery rests inside an extinct volcano crater.

The last standing piece of a famous Honolulu landmark.

This saltwater swimming pool, which is the last of its kind in the United States, is slowly crumbling within sight of multiple high-end beachside hotels.

The grand marquee of this abandoned Hawaiian theater remembers the building's elegant past.

Climbing this abandoned railway leads to breathtaking vistas of O‘ahu.