This domain name references the historical 19th-century Baron Trump novels by Ingersoll Lockwood, which are in the public domain.

Castle Trump is the ancestral home of the young protagonist in a pair of charming children’s adventure novels written in the late 19th century by American author and lawyer Ingersoll Lockwood (1841–1918).
The two main books in the series are:
- Travels and Adventures of Little Baron Trump and His Wonderful Dog Bulger (1889)
- Baron Trump’s Marvellous Underground Journey (1893)
The Story and Setting
The central character is Wilhelm Heinrich Sebastian von Troomp, a precocious young German aristocrat known as Little Baron Trump. He lives with his family in the luxurious Castle Trump, a grand baronial estate filled with strange artifacts and curiosities the young Baron has collected from his earlier travels.
Bored with life at Castle Trump and concerned that his faithful dog Bulger is growing melancholy from the same old surroundings, the Baron sets off on grand adventures. Guided by an ancient manuscript from the great scholar Don Fum, he travels to Russia in search of a hidden portal to a mysterious “World within a World” beneath the Earth’s surface.
In Baron Trump’s Marvellous Underground Journey, the Baron and Bulger descend into bizarre subterranean realms, encountering strange civilizations, peculiar creatures, and unusual societies. The stories are full of wit, imagination, and the Baron’s trademark confidence in his own intellect as he navigates dangers, solves puzzles, and eventually finds his way back home to Castle Trump.
These are classic Victorian-era children’s adventure tales — imaginative, humorous, and written in a lively style that was popular at the time.
Public Domain Availability
Both novels are in the public domain in the United States and can be read freely online:
- Baron Trump’s Marvellous Underground Journey — Project Gutenberg (full text)
- Travels and Adventures of Little Baron Trump and His Wonderful Dog Bulger — Project Gutenberg
- High-quality scans and PDFs are also available on the Internet Archive and Global Grey Ebooks.

Visit CastleTrump.com to explore the books
About the Author
Ingersoll Lockwood wrote several children’s books featuring young adventurers. He is also known for the 1896 political novel 1900; or, The Last President, though it is not part of the Baron Trump series.
The Baron Trump books remained relatively obscure for over a century until they were rediscovered and discussed online in the 2010s for their curious naming coincidences and adventurous spirit.
