Against the lush backdrop of the moonlit Diana Garden, singers and musicians trill notes inspired by Harry Houdini

Clues, trivia, and riddles lead explorers through Miami’s rich cultural and party scene via text message or mobile web

20,000-square-foot multilevel haunted house remarked for its paranormal activity features room after room of terrifying attractions

Clues, trivia, and riddles lead explorers through New York’s vibrant neighborhoods via text message or mobile web

Text-message clues, trivia, and riddles lead explorers through Philadelphia's rich history

Take a hay ride and jump on a giant bounce pillow before heading over to the free petting zoo

In hushed tones, guides tell stories of local hauntings as they lead groups across Harvard Yard in search of scholarly specters

On a 90-minute walking tour of Williamsburg, guide Allison Wildridge recounts more than 10 tales from the city's storied past

Thrill seekers navigate three chilling haunts, evading howling wolves, fending off fiends from the past, and witnessing chainsaw carnage

Tour groups snake through the darkened streets of Chinatown, haunted by the spirits of betrayed immigrant workers