Delaware, often called the "First State" for being the first to ratify the U.S. Constitution, offers visitors a unique blend of historical charm, natural beauty, and coastal allure. In Wilmington, history enthusiasts can explore Old New Castle, a preserved colonial town featuring cobblestone streets and beautifully maintained 17th-century buildings.

Delphi is an iconic historical site and was once the sacred precinct of classical Greece, due to its role in Greek myth as the seat of a prophetic oracle. Originally considered the center of the world by ancient Greeks, today's Delphi is a UNESCO World Heritage site and archaeological wonder, filled with the ruins of theaters, temples, treasuries, and other remains of centuries-old architecture.

Travelers on the Arabian Sea often find themselves in Muscat, on the Gulf of Oman. This port capital is situated between ocean and mountains, and boasts lovely beaches, great diving sites (watch for turtles!), 16th-century forts, and the impressive Sultan Qaboos Grand Mosque, which can hold 20,000 people.

Iguassu Falls, straddling the border between Brazil and Argentina, is a breathtaking natural wonder that captivates visitors with its sheer scale and beauty. This UNESCO World Heritage Site boasts the largest waterfall system in the world, with nearly 275 individual falls cascading over a rugged landscape.

The Ring of Kerry, a 179-kilometer circular route in County Kerry, Ireland, offers travelers a journey through rugged coastal cliffs, remote villages, and winding mountain roads. Starting from Killarney, the route moves clockwise through towns like Kenmare, Waterville, Cahersiveen, and Glenbeigh, each offering its own slice of Irish life. Though often explored by car or tour bus, cycling the route is growing in popularity, especially during spring and early autumn when traffic is lighter.