A market for witches is hidden within a train station.

The mortal remains of an estimated 70,000 people lie in the basement of a monastery in Lima, Peru.

The elaborate crypt where Peruvian heroes of the War of the Pacific were laid to rest.

Lima’s Museum of Anthropology is lined with thousands of elongated human craniums.

Haunted by its violent past, this colonial bastion was the largest Spanish military installation in the Americas.

Lavish royal estate punctuated with heated greenhouses.

An exquisite collection of fairytale conveyances that puts most car museums to shame.

An early Portuguese serial killer's head is alarmingly well preserved in a jar at the University of Lisbon.

This restored Portuguese cafe may well be the most beautiful place in the world to grab a Big Mac.

The stunning interior of this Gothic church is covered in ornate gold details.

This charming candle shop has been in business since 1789.

Ring the bell to enter a bar that looks equal parts museum and old curiosity shop.

A 16th century chapel decorated with bones, skulls, and entire bodies hanging from the wall.

This unreal Portuguese palace looks as though it's made from a pile of different castles.

The world's oldest bookshop still in operation.

One of the most beautiful bookstores in the world hides a neo-Gothic interior behind an art nouveau facade.

With its vast selection of books, comics, and records, this nearly 70-year-old open-air market always rewards the patient browser.

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

The former hotel where Tesla invented the radio.

Have a steam and some blini at this cafe in a century-old bathhouse.

Finally, you don't have to be a pious Swedish seaman to relax like one.

Manhattan's lighthouse, erected at the insistence of the unsinkable Molly Brown.

Though its celestial ceiling is impressive, the true star is the vast collection of French books.

The famous author's cottage hideaway.