Frida Kahlo's childhood home, now a museum of her life and works.

A jaw-dropping "megalibrary" that turns book-browsing into a geometric adventure.

An island filled with hundreds of hanging, decomposing, decapitated dolls.

A small pack of an ancient, hairless breed of dog once believed to guide souls through the underworld lives on its grounds.

Superstitious? Discover the witchy side of Mexico through its largest esoteric market.

Oldest synagogue in the United States.

This restored colonial house was once home to the botanist responsible for bringing avocados to the U.S.

A garden in Lisbon filled with giant porcelain creatures.

The site where hundreds of Greeks were tortured by the Nazi secret police is now a cosmetics store.

An ancient octagonal weather station named for the eight Greek gods of wind.