五十州、傳奇公路與無限多元
首都
Washington, D.C.
語言
English
貨幣
US Dollar (USD)
最佳時間
Varies by region — spring and fall are ideal
安全
提高警覺
依據即時政府旅遊警示
差異程度低——涵蓋此目的地的 2 個政府來源整體評估一致。
更新於 2026年8月31日
United Kingdom: Contains public sector information from the Foreign, Commonwealth & Development Office (gov.uk) licensed under the Open Government Licence v3.0.
Canada: Contains information licensed under the Open Government Licence – Canada, published by Global Affairs Canada.
Australia: Contains material from the Department of Foreign Affairs and Trade's Smartraveller website – www.smartraveller.gov.au, provided under the Creative Commons Attribution licence.
ESTA (Electronic System for Travel Authorization) required for Visa Waiver Program countries (UK, Australia, most EU, Japan, etc.) for stays up to 90 days. Canadians enter visa-free. Many nationalities require a B1/B2 tourist visa.
ESTA (Electronic System for Travel Authorization) required for Visa Waiver Program countries (UK, Australia, most EU, Japan, etc.) for stays up to 90 days. Canadians enter visa-free. Many nationalities require a B1/B2 tourist visa.
ESTA: apply at esta.cbp.dhs.gov at least 72 hours before travel. Tourist visa (B1/B2): apply at US embassy with DS-160 form, interview, and supporting documents.
ESTA: usually approved within minutes to 72 hours. B1/B2 visa: weeks to months depending on embassy wait times.
ESTA: $21 USD. B1/B2 visa: $185 USD application fee.
簽證要求因國籍而異且經常變更。出行前請向您國家的領事館或目的地官方入境管理機關核實。
Tourist areas in major cities are generally safe. Gun violence is a reality — mass shootings occur. Some urban neighborhoods have high crime. National parks and rural tourist areas are very safe. Healthcare is extremely expensive without insurance.
根據英國外交、聯邦及發展事務部（FCDO）官方旅遊警示，持續監測更新 · 資料來源
Tourist areas in major cities are generally safe. Gun violence is a reality — mass shootings occur. Some urban neighborhoods have high crime. National parks and rural tourist areas are very safe. Healthcare is extremely expensive without insurance.
Tap water is safe in most cities. Some rural areas and Flint, Michigan have had issues — check locally.
Gun violence is a unique risk. Healthcare costs can be devastating without insurance. Driving distances are massive — the US is huge. Natural disasters vary by region (hurricanes, tornadoes, earthquakes, wildfires).
Tipping is MANDATORY in practice. 18-20% at restaurants. $1-2 per drink at bars. 15-20% for taxis. $2-5 per night for hotel housekeeping. Not tipping is considered very rude.
Very casual. Americans dress down more than most countries. Jeans and sneakers are acceptable almost everywhere.
Christian majority but extremely diverse. Every religion represented. Very secular in daily life in most cities. Bible Belt (South) is more conservative.