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

The John Snow Memorial marks the epicenter of London's 1854 cholera epidemic.

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

Designed by the architect who also had a hand in crafting the Westminster Abbey and Bristol Cathedral.

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.

A tribute to the intrepid explorer and his crew who perished in terrible conditions on an ill-fated expedition to the Arctic.

Once the fallout shelter of a dictator, this sprawling bunker is now a combined history museum and contemporary art gallery.

What happens when you cross a mayor and a painter?

An Albanian monument to the Communism that nearly crushed the country is now a crumbling wreck.

In the heart of Tirana, this underground nuclear bunker has been transformed into a museum.

A beautiful Greco-Roman structure houses a well once believed to have healing powers.

Climb into Albania's communist history while enjoying a spectacular ocean view.

The anatomical-pathological collection of a man who changed surgery.

A tongue-in-cheek arcade where the games are based on everyday life.

Soon after its unveiling, this giant inverted globe sparked controversy and was vandalized.

The quaint little store that is said to have inspired a famous Dickens novel was only given its name after the book was released.

Formerly known as Saville Theatre, this mid-20th-century entertainment hub includes an ornate frieze.

A real-life Professor Snape once taught in this Welsh university building, which students of course nicknamed “Hogwarts.”

The only university zoological museum in London houses extinct animals, bizarre natural history specimens, and a Micrarium of microscopic creatures.

Moscow's imposing monument to the Space Age.

Three connected pink triangles memorialize persecuted gays and lesbians throughout history.

A miniature city, once ruled by the Queen of the Netherlands.

Go inside to really appreciate this 500-year-old technological masterpiece.

This Dresden church was purposely rebuilt Protestant after being demolished in World War II.