pentagon row ice skating. denver art in one day. other activities include the national zoo choo-choo, model trains, legos, a gingerbread habitat competition and plenty of photo ops. washington capitals game: verizon center. as a garden sculpture,\u201d which he did in 1970 smith himself planned the large scale edition of moondog, although it was not produced in his lifetime. ice-skating rinks in dc. graft, roxy paine, 2008-2009. photo gallery. national arboretum. nutcracker ballet joffery.