On the shores of Lake Garda, the ruins of a Roman villa that allegedly belonged to the poet Catullus.

This innocuous-looking button may have been used to assassinate a king.

Every Sunday, Bogotá turns 75 miles of its city streets into a bicycle superhighway.

An inspired museum dedicated to the patron saint of enslaved people, inside the cloisters where he lived and died.

Unparalleled stargazing, one of Colombia's best observatories, and a swimming pool can all be found in the middle of this ancient tropical forest.

This former Nazi labor camp is now a poignant memorial, complete with giant Soviet-style monuments.

Built to ward off Napoleon's army, this city-sized abandoned Russian fort is now perfect for urban exploration.

A railway bridge leading nowhere stands lonely in the middle of a meadow.

When a supermarket opened up shop within a medieval building it became protected by UNESCO on a technicality.