Get itchy feet: 

Have or develop a strong urge to travel or move from place to place

Have the travel bug:

Have a strong urge to travel

Culture vulture:

A person who is very interested in the arts

Catch some rays:

Sunbathe

Sit and watch the world go by:

To look at people as they go past 

Have a full plate:

To have a schedule which is filled to capacity 

See how the mood takes me:

When someone has the feeling of wanting to do something

On a shoestring:

Do something with a very small amount of money 

Live it up:

Spend one’s time in an extremely enjoyable way

A culture shock:

The feeling of disorientation experienced when someone is suddenly subjected to an unfamiliar way of life

Feel right at home:

To be relaxed and comfortable

Watch your back:

To be careful of the people around you 

Travel light:

To travel with a minimum load or minimum luggage

At the crack of dawn:

Very early in the morning, especially at the time when the sun first appears