According to forum posts, travelers highly recommend visiting the old towns and castles in Latvia for their historical significance. Cesis Castle and Rundale Palace are particularly noted for their architectural and historical value.

For nature lovers, some travelers have suggested visiting Gauja National Park and the beaches along the Vidzeme Coast. The Kemeri National Park is also mentioned for its natural landscapes and is ideal for hiking.

Travelers have called out the Salaspils War Memorial for its impactful Brutalist architecture. Additionally, the KGB Museum in Riga is recommended for those interested in Soviet history.

For those considering day trips, Sigulda and Jurmala are frequently mentioned. Sigulda offers beautiful forested areas and castles, while Jurmala is known for its beaches and wooden architecture.

According to forum posts, a Baltic road trip can focus on natural sights and historical locations. Travelers have suggested including major cities like Riga, Tallinn, and Vilnius, while also exploring areas like the Curonian Spit and Saaremaa.

Some travelers recommended starting the trip in one city and moving linearly to the next to avoid backtracking, which saves time and allows a more extensive exploration of each area. For instance, beginning in Tallinn and ending in Vilnius, with stops at major cities and attractions in between, is a common suggestion.

For those interested in nature, forum users have highlighted places like the Gauja National Park in Latvia and Lahemaa National Park in Estonia. Historical enthusiasts might enjoy visiting the medieval towns of Cesis and Sigulda.

Based on traveler feedback, it's advisable to consider the travel time and distances between destinations, as some scenic routes may take longer than expected. Planning the trip with a mix of driving and possibly some ferry rides, especially when visiting islands like Saaremaa, can enhance the travel experience.