A much-loved local landmark pays tribute to the shipbuilding past of this area.

A discarded movie prop that was the original monolith for "2001: A Space Odyssey."

This pub boasts a curious history and may have inspired a Dickens character.

A 2000-year-old Roman amphitheater lies just below Guildhall Yard.

This ornate Victorian marketplace was the setting for Diagon Alley and the Leaky Cauldron in the Harry Potter films.

This pump on the bad side of Victorian London betrayed a horrifying revelation about the water supply.

A memorial for public executions that dates back to the 14th century.

The Tudor-style cottage in the middle of the square is not quite what it seems.

The barrel-made lookout from Shackleton's final ship is tucked away in the crypt of one of London's oldest churches.

A hidden treasure in London with a rich medieval history, and the resting place of many luminaries.

London's amazing modernist public square that never was.

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

Also known as the Blue Church, the building was consecrated to the daughter of Andrew II.

This Slovakian statue of an emerging sewer worker might just be a bronze peeping tom.

One of Amsterdam's narrowest houses is located right across the canal from its widest.

This dazzling Buddhist temple was constructed from over one million ceramic tiles salvaged from a British shipwreck.

Buddha shrines hide within dark tunnels at this unique forest temple.

Meant to be a lavish presidential home, the palace became a symbol of the fall of South Vietnam.

Artifacts and memories from the Vietnam war, located in a place that experienced it first hand.

Witnesses claim the Virgin Mary statue outside the church once mysteriously shed a single tear.

The lavish temple of the Cao Dai religion that includes Buddha, Mohammed, Joan of Arc, and Victor Hugo.

A nightmare for the claustrophobic lies hidden in Southeast Asia.

Once a meeting point for Swahili slave traders, this ancient tree is now a monument to those killed by the slave trade.