An alchemist's "magic door" stands in the middle of a Roman park.

The world's only international cryptozoology museum is host to an unrivaled collection of mysterious objects.

A haunting collection of the vanished and disappearing natural world.

Philadelphia boasts one of the best — and most often overlooked — traditional Japanese gardens in North America.

A prohibition-style speakeasy takes up residence in the last Victorian residence in Hollywood.

The first declared National Monument in the United States.

Tokyo’s only Vaudeville-cuckoo clock–steampunk-Victorian curio cabinet time piece.

Rising from the sea like a stone monster.

Hellam Township is reputed to feature seven remote gates, which when passed through in the right order, open an entrance to hell.

A submerged archeological park still holds the wonders of a Roman Sodom.

Carnivorous plants, medieval aphrodisiacs, and the largest original wood structure glass conservatory in the western hemisphere.

This Venice bookstore has resigned itself to constant flooding by keeping its books in bathtubs and boats.

A slice of central Asia in the middle of Berlin.

An easily overlooked stretch of ornate window fronts and gaslight lamps that could be right from the pages of Dickens.

This shop for all your super spy needs hides an educational secret.

Stroll through a wonderland of stupendous moss-covered trees.

Macabre astrological automaton clock dating to the late 1400s.

17th century streets hidden under Edinburgh were once a breeding ground for the black death.

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

Started as a kitchen garden, now the second largest botanical garden in the world.

An ancient capital city that dates back 3,000 years old and harbors many surprises.

The feral felines of Roosevelt Island have a small army of allies and an abandoned hospital all to themselves.

The world's largest collection of witchcraft regalia.

This lower Manhattan bar is set up in an old bank vault that rests beneath a skyscraper that hides even more historic splendor.