If visiting an ancient underground passage that has served as a war refuge sounds thrilling to you, then don't miss this fascinating archaeological museum in Naples. More than 500 metres long and 150 years old, the Bourbon Tunnel, Tunnel Borbonico, or Bourbon Gallery has been recently restored to the detail and offers experiences for all tastes, from historical tours to speleological excursions.

An Art Deco masterpiece in Detroit’s financial district, the Guardian Building is a must-see for architecture enthusiasts. Completed in 1929, this skyscraper is celebrated for its vibrant interior featuring intricate tilework, bold geometric patterns, and a stunning vaulted ceiling. Nicknamed the “Cathedral of Finance,” it’s a testament to Detroit’s golden age. Designated a National Historic Landmark in 1989, the Guardian Building has adorned the city’s skyline for nearly a century. While visitors can’t climb to the top, the lobby and mezzanine offer incredible views of the craftsmanship.

This is more than a museum for car enthusiasts—it's a journey through American history and ingenuity. The museum, part of The Henry Ford complex, began with Henry Ford’s personal collection and has grown into one of the nation’s premier attractions. Iconic artifacts include the limousine in which President John F. Kennedy was assassinated, the Rosa Parks bus, and early innovations in aviation and locomotion. Beyond cars, you'll find exhibits showcasing trailblazing moments in design, technology, and pop culture.

Transport yourself back to the 16th century with a trip to the annual Renaissance Festival in nearby Shakopee, Minnesota. Laugh at court jesters, shop for handicrafts, watch a joust and enjoy some delicious, authentic fare. The festival opens in mid-August and wraps up in late September.