One Day Tour of London, Budapest, Portugal, and Spain

1. 9:00 AM: Tower of London, London, UK
   Located next to the River Thames, the Tower of London is an iconic fortress and one of the most visited attractions of London. It served as a royal palace, a prison, and a treasury throughout the centuries. You can see the spectacular Crown Jewels Collection and the Wardrobe of the British monarchs.
   Estimated Time: 2 hours
   Estimated Distance: 30 minutes (3 miles) from the next stop
2. 12:00 PM: Fisherman's Bastion, Budapest, Hungary
   Fisherman's Bastion is one of the most beautiful and romantic spots of Hungary's capital. This neo-gothic and neo-romanesque style terrace offers breathtaking views over the Danube River and Pest side of the city. You can take stunning photos or have lunch in the restaurant of the castle.
   Estimated Time: 2 hours
   Estimated Distance: 3 hours flight (1200 miles) to the next stop
3. 5:00 PM: Praia da Rocha, Portimao, Portugal
   Praia da Rocha is one of the most popular and busy beaches of the Algarve region. It has a long stretch of golden sands and crystal clear waters. You can enjoy swimming, sunbathing, and trying out the various water sports. The beachside cafes, bars, and restaurants offer a wide range of options for dining and entertainment.
   Estimated Time: 3 hours
   Estimated Distance: 1 hour flight (400 miles) to the next stop
4. 9:00 PM: Flamenco Show, Madrid, Spain
   Flamenco dance is an authentic tradition of Spain with its emotional music, passionate rhythms, and fiery movements. You can experience the passionate art of flamenco with a live performance show in Madrid. The live music, dance, and costumes will take you to the heart of Spanish culture and traditions.
   Estimated Time: 2 hours

Time and Costs Estimates

• Tower of London (2 hours, £30)
• Fisherman's Bastion (2 hours, €10)
• Praia da Rocha (3 hours, free)
• Flamenco Show (2 hours, €40)
Total Estimated Costs: £30 + €50

Useful Tips

If you have more time, you can explore other attractions in London such as the British Museum or St. Paul's Cathedral. In Budapest, you can visit the grand Hungarian Parliament Building or soak in the thermal baths. In Portugal, you can take a boat trip to the Benagil Caves or have a wine tasting in the vineyards. In Spain, you can visit the Royal Palace of Madrid or taste the local tapas and wine.

If you have less time, you can skip one or two stops depending on your preferences. You can also adjust the visiting hours and activities based on your schedule and interests. Make sure to check the opening and closing times of the places and plan your transportation in advance.