More than 4 million people are expected to travel this Labor Day weekend. The No. 1 destination? Sunny San Diego.

Here are some of the top events this holiday weekend for you to make the most out of your day off.

US Sand Sculpting Challenge and Dimensional Art Exposition

The art exposition on the cruise ship terminal pier has been called the most creative atmosphere in the world.

The US Sand Sculpting Challenge is bringing the beach to you with sand castles right on the pier. Master sand sculptors from around the world such as Italy, Ireland, the Netherlands and Canada, and exotic places like Latvia and Singapore, come to challenge the best in the U.S.

The sand castle exhibition goes from 9 a.m. to 7 p.m. Friday through Monday, with extended hour until 9 p.m. Saturday. Tickets range from $6 to $19.

Festival of Sail

An annual event in San Diego, the Festival of Sail is the largest tall ship festival on the West Coast.

Hosted by the San Diego Maritime Museum, the festival transforms the North Embarcadero into a nautical theme park for the Labor Day weekend.

Kids will get a chance to visit the ships and their crews, watch tall ship cannon battles and enjoy a special 30 minute Festival of Sail bay cruise.

The festival goes 9 a.m. to 5 p.m. from Saturday to Monday. Tickets range from $5 to $7.

45th Annual Barona Powwow

The Powpow is a time where Native Americans meet and dance, sing, socialize, and honor their cultures. This weekend, the Barona Band of Mission Indians will host a weekend of contest dancing in a variety of categories and you’re invited.

The event features camping, drums and cultural immersion.

The Annual Barona Powwow is free and goes from Friday to Sunday.

Julian Grape Stomp Festa

Each year, the Julian Chamber of Commerce host a real, old-world style grape stomp and festa to celebrate the harvest of the grapes.

The annual event has two barrels for stomping, one for adult and one for children.

The Julian Grape Stomp Festa goes from 11 a.m. to 7 p.m. Saturday at the Menghini Winery. Tickets range from $5 to $15.

KGB Sky Show XL

For the past 40 years, the radio station has hosted the biggest fireworks show this side of the Mississippi.

The show is spectacular and features multi-media, theatrical lighting, video and special effects to enhance the fireworks display. The fireworks are choreographed and synchronized with Rock ‘n’ Roll music played by the station.

The show this year is after the match up between the Aztecs and Toreros on Saturday — a first for the two school since 1961.

Tickets for the Sky Show range from $16 to $40.