Cambodia Travel Guide: A 7-Day Itinerary 📚 Sharing my travel experience in the cities of temple in one of the beautiful countries in southeast Asia. Written by Debarun Sana. Cambodia's identity is genuinely shaped by two very different historical extremes — the extraordinary architectural achievement of the Khmer Empire at Angkor, and the more recent, deeply painful history of the Khmer Rouge era. We visited the country during winter season, the 7-day route covers Siem Reap and the Angkor temple complex, the capital Phnom Penh, and the quieter coastal town of Kampot. Entry Requirements U.S. citizens need a visa to enter Cambodia — there's no visa-free arrangement. The standard route is the e-Visa, applied for online at the official evisa.gov.kh portal before travel. The e-Visa covers a single entry, valid for a 30-day stay, and is accepted at major ports of entry including Phnom Penh, Siem Reap, and Sihanoukville airports. A visa on arrival is ...