Coral Castle is stranger than it sounds.

Coral Castle is an oolite limestone structure created by the Latvian-American eccentric Edward Leedskalnin (1887–1951).

Coral Castle is an oolite limestone structure created by the Latvian-American eccentric Edward Leedskalnin (1887–1951). It comprises numerous large stones, each weighing several tons, sculpted into a variety of shapes, including slab walls, tables, chairs, a crescent moon, a water fountain and a sundial.