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

The world's oldest bookshop still in operation.

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

Legacy of the earthquake that nearly wiped Lisbon off the face of the Earth.

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

This majestic building, where Brazil's coffee brokers once bought and sold beans, now houses a coffee museum.

The largest library in Latin America owes its existence to an Old World earthquake and a Napoleonic invasion.

This massive Brazilian church is built like an angular, technicolor pyramid left by Mayans from the future.

Crumbling remnant of Rio's colonial past tucked behind Corcovado mountain in the neighborhood of Cosme Velho.

This stunning Brazilian library contains the largest collection of Portuguese texts outside of Portugal itself.

This century-old grotesque has a mysterious history and may not actually be a rabbit.

The 2,000-year-old beam is tucked within the pedestrian entrance to the old London Bridge.

Colorful murals by Jean Cocteau hide within this peaceful London sanctuary.

This giant wooden treehouse within a sprawling garden has its own eatery.

A statue of the legendary Celtic warrior queen who fought the Roman invaders stands in one of the cities she once destroyed.

The 16th-century church has the only stained glass windows that survived the Scottish Reformation intact.

A perilous medieval road leading right into the sea.

Three bridges and one giant canyon make up this fantastic Spanish settlement.

This semi-secret storybook hedge maze is also the oldest garden in the city.

Where condemned pirates met their grisly end at the gallows on the River Thames.

England's most notorious suicide spot.

This macabre monument atop an ancient well gives a nod to a brutal episode in Scottish clan history.

The largest oak in England is said to have been the hideout of Robin Hood and his Merry Men.

A century-old tradition has culminated in a small but singular collection of feline effigies.