These are the world's top destinations by arrivals and receipts

Thailand holds the No. 10 spot on the list of world destinations with the most number of international arrivals, according to the United National World Tourism Organization (UNWTO). It had 35.4 million visitors in 2017. Here, visitors to the Phimai Historical Park walk among the restored ruins of Prasat Phimai in Phimai, Nakhon Ratchasima province.

Thailand holds the No. 4 spot for international tourism receipts, according to the UNWTO. In 2017, receipts totaled $57.5 billion. This is Koh Samui. This is Koh Ma, off Koh Phangan, Thailand.

Macau holds the No. 9 spot in terms of international tourism receipts. It had $35.6 billion in receipts last year.

Germany holds the No. 9 spot for international tourism arrivals with 37.5 million visitors last year, according to the UNWTO. This is Bradenburg Gate in Berlin.

Germany holds the No. 8 spot in international tourism receipts, according to the UNWTO. In 2017, Germany had $39.8 billion in receipts. This is the new "old town" of Frankfurt.

Australia holds the No. 7 spot in the world in international tourism receipts. It had $41.7 billion in receipts last year. This is the Sydney Opera House.

Turkey holds the No. 4 spot in international tourist arrivals, according to UNWTO. It had 37.6 million tourists last year. This is the Hagia Sophia in the Sultanahmet tourist district of Istanbul.

The United Kingdom is the No. 7 ranked destination for international tourism arrivals. It had 32.7 million arrivals in 2017.This is Tower Bridge in London with HMS Belfast (R), a former British Royal Navy, WWII light cruiser, moored on the River Thames.

The United Kingdom holds the No. 5 spot for international tourism receipts. Last year, it had $52.2 billion in receipts, according to the UNWTO. This is St George's Chapel within the walls of of Windsor Castle, in Windsor, England. It is where Prince Harry married American actress Meghan Markle.

Mexico is the No. 6 destination in the world in terms of international tourism arrivals. It had 39.3 million arrivals last year. Here, vendors in Mexico City.use a traditional comal (a flat griddle, often made from clay).

Mexico holds the No. 6 spot for international tourism arrivals, according to the UNWTO. This is the resort city of Cancun.

Italy holds the No. 6 spot for international tourism arrivals. Last year, it had 39.3 million arrivals, according to the UNWTO. These are the Spanish Steps in Rome.

Italy holds the No. 6 spot in terms of international tourism receipts. Last year, it had $44.2 billion in receipts. This is the Duomo in the town of Orvieto in Umbria.

China holds the No. 4 spot in the world in terms of international tourism arrivals. It had 60.7 million visitors last year. This is Beijing.

China holds the No. 4 spot in the world in terms of international tourism arrivals. Here, two men stand at the bund near the Huangpu river across the Pudong New Financial district, in Shanghai.

The USA holds the No. 3 destination in the world in terms of international tourism arrivals. It had 76.9 visitors last year. This is One World Trade Center in New York City.

The USA holds the No. 1 spot in terms of international tourism receipts. It had $210.7 billion in receipts last year. This is the Golden Gate Bridge in San Francisco.

Spain holds the No. 2 spot in international tourism arrivals, according to the UNWTO. It had 81.8 million visitors last year. This is the Casa Mila or "Pedrera" (the stone quarry) building in Barcelona. It was designed by architect Antoni Gaudi.

Spain also holds the No. 2 spot in terms of international tourism receipts. It had $68 billion in receipts last year. This is Madrid.

France is the No. 1 destination in terms of international tourism arrivals. It had 86.9 million visitors last year. A couple pose for pictures on the Parvis des Droits de l'Homme square in front of the Eiffel Tower in Paris.