The remains of a town so thoroughly destroyed by French forces that the citizens simply left.

This Italian foot path winds through the mountains via 52 individual tunnels.

One of the world’s smallest bars, just 13 square feet, is brimming with speakeasy flair.

The famous sculptor left his mark on this Italian wall in an internationally protected example of street art.

Giant, pink stuffed rabbit on an Italian mountain.

An Italian hillside ghost town.

The doodles of a genius line the walls of a secret room under the Medici Chapel, where they were hidden for nearly 500 years.

The oldest operating pharmacy in the world features 800-year-old recipes.

According to the local folklore, the myriad colors of this lake are the result of a lovelorn wizard's blunder.

A submerged archeological park still holds the wonders of a Roman Sodom.

This Venice bookstore has resigned itself to constant flooding by keeping its books in bathtubs and boats.

This delightful little museum is dedicated to only one thing: pasta.

William Blake claimed to have painted this gothic masterpiece after encountering this nightmarish being in a vision.

This elaborate Byzantine-style building was designed for a not-so-pretty purpose.

A Roman spa buried deep beneath the City of London.

Ship-sized kinetic sculptural fantasy.

This secluded walkway overlooks a magnificently wild London green space.

A community of artists and entrepreneurs seeks a simpler life on London's waterways.

Public access to clean drinking water was an instant hit among the masses.

A famous burial ground with a history both grim and literary.

The cedar tree in Highgate Cemetery earned its title by accident.

A glorious pub known for a spiteful printing feud and its famous typeface lost—then found—at the bottom of the Thames.

This home on a quiet suburban street is completely covered with vibrant mosaics.

This landmark church concealed a crypt packed with bones that was discovered thanks to the London Blitz.