Tour vacations in Washington DC is the best way to explore the city and also to see the historical monuments, as most of them do not allow individual access due to security risks.

Amongst the most famous tours are:

All Day tours, these tours allow you to explore the city in the most comprehensive way by combining different places in one single tour.
All day tour of the Washington DC buildings, this tour takes you all through the most famous building of Washington DC, you also get a chance of seeing the buildings from the inside. This tour takes you to the Air & Space museum, The White House, Supreme Court, Jefferson Memorial and a lot more historical attractions.

The Duck Tour, this is an exciting and interesting ninety minute tour, you can tour the whole city in an amphibious vehicle, which takes you all through the city and ends up splashing in the River Potomac. Its is an unusual and unique tour, which should not be missed at any rate. Gettysburg Tour, a day tour of the scenic countryside of Pennsylvania and Maryland, the tour also takes you through the historic Gettysburg battlefield. It is a very informative tour which gives insight into the history of America.

Trolley Tour, the most enjoyable way of seeing Washington DC is by taking the trolley tour. You can see the whole city with a guided tour and pass through all the historic sights and monuments.Trolley tour at night, these tours are of three hours duration and takes you through the whole city in the moonlit night, it is an amazing tour, which lets you explore the city with a new angle and increases the beauty of the city with lighted buildings in contrast to the night sky.

Tour through the Old town of Alexandria and Mount Vernon, this tour takes you through the historical places and home of George Washington. You can go through the estate in Mount Vernon and experience the times when George Washington lived there. This is a truly exciting tour for all those who like to live through history.