These medieval skyscrapers dominate the skyline of this small Tuscan town.

The de facto symbol of Copenhagen is this bronze fairytale which cannot seem to keep its head for very long.

Welcome to old Florida, where a 1940s mermaid show is still enchanting visitors.

Avoid gangster interaction while window-shopping.

Pilgrimage site for star-crossed lovers.

Quite simply the largest tree in the world (by volume).

Despite attempts by local police to discourage it, Beatles-inspired graffiti has been a means for artists to air grievances for decades.

A tribute to Ponce de Leon's supposed quest for eternal youth.

This bridge was constructed from the rubble of the infamous Bastille.

Ancient snack bar of the Roman Empire re-opened.

Home to the most complete dodo remains known - one head, and one foot.

Eighty million natural history specimens call this gargantuan museum home.

2300-year-old Roman road connecting the empire.

The prototype for all Nazi concentration camps.

A sculpture made of 10 Cadillacs as a monument to the "Golden Age" of the American automobile.

An artist's cute bronze subway sculptures belie his violent artistic past.

On the Spree bank, discover one of the last reminders of a symbolic wall that divided, and was torn down by the people.

Climb inside an iron crystal magnified 165 billion times its normal size.

Hundreds of lucky felines haunt the ruins where Caesar was murdered.

The most visited, and possibly most controversial, museum in Germany.

The last moments of the ill-fated Pompeiians, frozen forever in plaster.

Whisper secrets in a busy station only to be heard on the other side of this acoustic arch.

The second-largest cave chamber in the world was discovered in 1898 by a 16-year-old and a friend known as "Pothead."

The gorgeous library at Trinity College is home to remarkable treasures of Irish identity.