A historic arboretum and non-conformist, non-denominational park cemetery.

Catacombs turned marketplace.

The oldest inn in England served brew to the crusaders.

Recently restored menagerie of Victorian-era beasts.

High Victorian fantasy created a fairytale castle out of a ruined fortress in Wales.

Stroll through Welsh history in a village of reconstructed structures.

A contemporary art installation housed within a Gothic cathedral.

Hundreds of caves once used to store grains and animal feed.

Beneath the city of Lourdes, France is a massive, concrete church.

Giant, friendly pelicans in Central London, the most unlikely of places.

One part local history, 99 parts gruesome haunted house.

Historic medieval fortified city in southwest France.

The tower was originally used as a chimney for the waste incinerator of St. John's Precinct and Market.

Gutted during the Liverpool Blitz, this architectural husk has been left destroyed in honor of the dead.

His music once banned in Communist Cuba, John Lennon is now immortalized in bronze by Castro, who considers Lennon a "fellow dreamer."

This tunnel entrance is built to resemble a grand castle but no one is quite sure why.