This one has sailed five times as far as Sir Francis Drake's famous ship.

An incarceration museum on the spot of possibly the oldest prison in England.

Murals of the wild parties once held on the frozen River Thames.

The last remaining example of the boatmen's perches that once dotted the south bank of the Thames.

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

You'd never know the houses at 23-24 Leinster Gardens were fakes—until you see the train tracks on the other side.

This ancient oak plays host to carvings of magical elves, gnomes, witches, and other creatures prominent in local folklore.

This pub was 238 years old when it decided to revamp its image: It started serving Thai food.

A faded reminder of what was once a common sight in London during the Blitz.

A top secret Cold War bunker hidden beneath a Latvian spa facility is now open for tours.

This statue is dedicated to the animal cosmonauts that perished during space flight experiments.

This controversial monument was designed to lionize the Red Army, but also disheartened the Latvian people.

A former Latvian headquarters of the brutal KGB secret police is now open as a grim reminder of their atrocities.

Latvia's symbolic mountain-shaped national library is home to millions of cultural tomes.

This celebration of Latvia’s freedom and independence avoided demolition over half a century of Soviet occupation.

3,000 market stands in five former Zeppelin hangars.

The reconstruction of this prominent building fulfilled a long-written command.

A black cat protests the City Guild in Riga's Old Town.

This charming Latvian lane doubled as Baker Street on the Soviet Union’s version of Sherlock Holmes.

The oldest housing complex in Riga is a mini timeline of architectural trends.

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

The final resting place of a German diplomat's beloved companion.

Since 1887, this old-school shop has stacked its shelves with extraordinary coffees and teas.

Outside of one of Britain's most renowned social clubs, a step installed specifically for the Duke.