diff --git a/examples/case_studies/bart_heteroscedasticity.ipynb b/examples/bart/bart_heteroscedasticity.ipynb
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rename from examples/case_studies/bart_heteroscedasticity.ipynb
rename to examples/bart/bart_heteroscedasticity.ipynb
diff --git a/examples/case_studies/bart_heteroscedasticity.myst.md b/examples/bart/bart_heteroscedasticity.myst.md
similarity index 100%
rename from examples/case_studies/bart_heteroscedasticity.myst.md
rename to examples/bart/bart_heteroscedasticity.myst.md
diff --git a/examples/case_studies/BART_introduction.ipynb b/examples/bart/bart_introduction.ipynb
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rename from examples/case_studies/BART_introduction.ipynb
rename to examples/bart/bart_introduction.ipynb
diff --git a/examples/case_studies/BART_introduction.myst.md b/examples/bart/bart_introduction.myst.md
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rename from examples/case_studies/BART_introduction.myst.md
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diff --git a/examples/case_studies/BART_quantile_regression.ipynb b/examples/bart/bart_quantile_regression.ipynb
similarity index 100%
rename from examples/case_studies/BART_quantile_regression.ipynb
rename to examples/bart/bart_quantile_regression.ipynb
diff --git a/examples/case_studies/BART_quantile_regression.myst.md b/examples/bart/bart_quantile_regression.myst.md
similarity index 100%
rename from examples/case_studies/BART_quantile_regression.myst.md
rename to examples/bart/bart_quantile_regression.myst.md
diff --git a/sphinxext/thumbnail_extractor.py b/sphinxext/thumbnail_extractor.py
index ed6e41c14..82d84116e 100644
--- a/sphinxext/thumbnail_extractor.py
+++ b/sphinxext/thumbnail_extractor.py
@@ -101,6 +101,7 @@
     "causal_inference": "Causal Inference",
     "diagnostics_and_criticism": "Diagnostics and Model Criticism",
     "gaussian_processes": "Gaussian Processes",
+    "bart": "Bayesian Additive Regressive Trees",
     "ode_models": "Inference in ODE models",
     "samplers": "MCMC",
     "mixture_models": "Mixture Models",