“We had a comfortable passage, very smooth sea, none of us were sea sick, but crossing the channel is not pleasant at the best,” Livy wrote her mother the next day from the Brunswick House Hotel on Hanover Square in London. ...

They traveled on July 14 to Rotterdam and registered at the Victoria Hotel. Sam was impressed. by the countryside, “so green & lovely, & quiet & pastoral & homelike,’ and, as usual, by the “very pretty & fresh & amiable & intelligent” Dutch damsels. ‘The next day they railed fifty miles to Amsterdam, where they spent two nights at the Hotel Doelen. Sam delighted in Rembrande’s paintings in the Rijksmuseum, especially The Night Watch, and Livy bought “a beautiful etching” of it for twenty dollars to hang in the Hartford house.

In early July Sam hired Joseph N. Verey for two dollars a day to serve as their courier during a hasty tour of the Low Countries.

Munich German city. Midway through the long European trip that Mark Twain undertook in order to write A Tramp Abroad, he and his family stayed in this Bavarian capital from November 15, 1878 through February 27, 1879. Members of the family regarded the Munich months as a pleasant winter rest, during which they busied themselves with studying German and art instruction and enjoyed a Bavarian Christmas, while Mark Twain worked on his book. He did write at least one chapter about Munich, but omitted it from the final manuscript.

August 12, 1878 Monday – The men left Baden Baden by rail and arrived at Lucerne, Switzerland where they joined Livy, the children and the rest of the party who had been there a few days.

August 15 Thursday – The entire Clemens party took a two-day excursion to the Rigi-Kulm. They spent the night in a hotel on the Rigi to watch the sunset and sunrise.

August 21. 1878 The group traveled to Interlaken and from August 23 to the 31st Sam and Twichell went to see the Matterhorn.

Compared to the university town, Baden-Baden was a disappointment. Still engrossed in furnishing the Hartford house, Livy spent much of her time in the shops.

The Clemens party took rooms at the Hotel Schloss in Heidelberg from May 6 to July 23 of 1878.

From Chapter 2 of A Tramp Abroad: At Heidelberg

The family stayed five days at the Hotel Kronprinz, near the Elbe River docks and the main Hamburg train station, where they booked a room for Rosa and the children, a single room for Clara Spaulding, and a suite with parlor and alcove for Sam and Livy. “What a paradise this land is!” Sam wrote Howells. “What clean clothes, what good faces, what tranquil contentment, what prosperity, what genuine freedom, what superb government! And I am so happy, for I am responsible for none of it. I am only here to enjoy.

The Clemens party, including Livy, Susy, Clara, Clara Spaulding and Rosina Hay, the nursemaid, sailed for Hamburg on the S.S. Holsatia on 11 April 1878. They arrived in Hamburg 25 April 1878.