The only structure left with direct ties to the Salem witchcraft trials of 1692.

A museum and shop on Bourbon Street located in the former home of the second Voodoo Queen of New Orleans.

The Victorian-era greenhouse is stuffed with tropical plants, and open 365 days a year.

This Boston medical museum features the skull of the famous medical case of Phineas Gage.

An enormous, inside-out glass globe built in 1935.

One of the longest water bridges in the world was built over a supposedly haunted swamp in Louisiana.

Founded by the famed children's book artist, this museum spreads an appreciation of the arts through picture books.

A beautiful and abandoned New York subway station from 1904, complete with chandelier.

Unlike other abandoned asylums this empty institution welcomes visitors, just don't go in the buildings.

The neon signs from Las Vegas' past find their final resting place at this unusual graveyard.

This collection of illusory paraphernalia has been culled from the history of London's premier magician's club.

Artists and musicians now rule over this former rail station.

Catacombs turned marketplace.

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

Museum dedicated to the UK's first charity for abandoned children, with keepsakes of the mothers who left them behind.

A island reachable by a causeway at low tide is possibly one of the earliest Western European locations to be identified in text.

A tongue-in-cheek arcade where the games are based on everyday life.

Giant, friendly pelicans in Central London, the most unlikely of places.

A charming 17th-century alley is lined with secondhand bookstores and antiquarian shops.

This London pub hides a peculiar secret: a recreation of the rooms shared at 221b Baker Street by Sherlock Holmes and Dr. Watson.

The fierce beast perches atop a pedestal marking where the historic City of London gates once stood.

Hidden beneath the streets of London is a secret subway that only carried mail.

A 300-year-old tea shop that brought tea to the English people, not to mention the Queen herself.

Buried for centuries, this hidden cellar is all that remains of London's medieval Whitefriars Monastery.