Lavish royal estate punctuated with heated greenhouses.

Pompeii's less famous neighbor is still revealing her secrets.

Remnants of a 4th-century church with vivid medieval frescoes and ancient sarcophagi hide beneath this old basilica.

Inside this McDonald's you can dine on your Big Mac and fries next to a 2,500-year-old Roman wall.

A forgotten "city of water" underneath the famous Trevi district.

Nature is slowly overtaking this disused cemetery on the outskirts of Brussels.

A fantastical 13th-century fortification sandwiched by a modern hotel in central Brussels.

This recently restored crypt was once plagued by liquefying coffins and exploding caskets.

Bible stories are brought to life with gloriously cartoonish kitsch in this South American theme park.

A bright little alley in La Boca is a part of tango history.

Buenos Aires' city of the dead contains some very famous remains, including Eva Perón.

This historic, palatial theater is now one of the world’s most beautiful bookstores.

Thousands of coffin-like pillars make up this controversial Holocaust memorial.

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

A marble Lucifer hides behind the pulpit of this Gothic cathedral.

This giant urban staircase was built to keep the city's brave fighting men from getting waylaid in the red light district.

A Parisian exterminator's shop whose storefront displays stuffed rats hanging from traps.

The bright red cars take travelers through breathtaking Tuscan scenery.

The naturally mummified body of a peasant girl saint.

Fortified medieval tower house with lovely roof garden.

This bustling Italian plaza is built on the ruins of an ancient Roman amphitheater.

A diverse collection of wax, bone, papier-maché and mummified relics.

The mummified relic of St. Catherine sits forever on a golden throne.

An amazing collection of wax anatomical models and terratological models.