Twenty churches beautifully painted by 19th-century Czech and German immigrants in Texas.

Decades of discarded bottle caps line this alleyway, a fixture of Texas A&M.

This tiny, hurricane-resistant house in Galveston is one of the city's most notable architectural oddities.

An unrealized Taoist palace left abandoned in a Houston suburb.

A private collection of massive steel monsters guarding a Texas pipe works.

A health museum containing a 27’’½-foot intestine.

An oddities shop packed with twisted treasures inspired by Oscar Wilde and Edgar Allan Poe.

A little bit Wonkatania, a little bit pink elephant.

One man's homage to the orange as realized through a long-term folk art labor of love.

The artist David Nash planted a circle of trees in 1977.

A wildlife paradise, this island is one of the world’s most important habitats for burrow nesting seabirds.

The world's smallest movie theater runs on solar power—an attraction in itself.

This well-preserved Cistercian Abbey in a romantic pastoral setting has inspired artists like the poet Wordsworth.

The Stonehenge of Wales is one of the grandest neolithic dolmens still in existence.

At the United Kingdom's only residential library you can sleep among the books.

A rocky sea serpent hides caves, blowholes, and a spectacular natural bridge.

A subterranean playground in an abandoned slate mine.

This former limestone quarry is now a subterranean wonderland of grand stonework.

Artist Danielle Jacqui decorates nearly every inch of her home inside and out with her work.

These crumbling Nazi artillery bunkers are now fair game for massive graffiti projects.

This collection of French root art looks like an indoor fairy wonderland.

The former home of France's controversial pop maestro is almost completely covered in ever-changing tributes and graffiti.

Beautiful carved tunnels.

The mental institution where Van Gogh created some of his most famous work now allows guests to walk in the artist's footsteps.