The niches over the western entrance of Westminster Abbey honor individuals from the 20th century who gave their lives for their Christian beliefs.

Run by the same people as a subterranean art space, this pub does double-duty as a Cave of Wonders.

Take in the views of Big Ben with a Guinness in hand at this floating pub aboard a 1930s Dutch barge.

The world’s second-largest flood defense barrier has protected London for decades.

The first geometric self-supporting spiral stairs in Britain are a truly beautiful sight.

These stained-glass windows are all that remains of a building that was the target of one of the biggest explosions in London after World War II.

The world's largest collection of ship figureheads includes figures from legends and history alike, from Sir Lancelot to Abraham Lincoln.

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

A towering steel-and-bronze figure whose playful nickname outshines its official message of hope

A rare example of one of the world's first printed books

Mexico City's natural history museum has seen better days but still holds some enchanting treasures within its kitsch walls

This modernist church features an impressively tall mural

You can take the metro between these two stations, or you can walk the underground bookstore-lined passageway that connects them

Monterrey's take on the "Speakers' Corner" was set up as an open space for freedom of expression in 1985

A metro station dedicated to the long relations between Mexico and Ethiopia, with an equivalent in Addis Ababa

Remainders of the defenses established at the start of the previous era in Thai history

A statue of a man using a bone as a javelin and a divisive former monument to Mexican rock are just some of the unique features of this park

The art on the walls of the Mexican Electricians' Syndicate pulls no punches in its messages against capitalism and authoritarianism

Rock extracted from this former quarry is responsible for Oaxaca's nickname of "Green Antequera."

See the streets of Siem Reap light up with themed paper puppets.

The outdoor area of this contemporary art museum in Mexico is a modernist reinterpretation of hacienda architecture.

The former Mexican president kept the bullets that killed his predecessor on display in his home, now a museum.

This city square is home to Amsterdam's oldest church and a statue honoring Dutch sex workers.

Widely advertised as Amsterdam’s narrowest street, this passage was once a highlight of the Red Light District before its windows closed.