An enormous, interactive museum with star-studded exhibits is surprisingly found deep in the Mississippi Delta.

A cheeky alleyway window hosts tiny rotating exhibits with outsized charm.

A dramatically eroding canyon thousands of miles from the desert.

The highest point in Louisiana, Driskill Mountain at 535 feet above sea level.

This ancient settlement contains some of the largest earthen mounds in North America.

A remarkably futuristic building sits in the oldest town in Louisiana.

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

A medieval castle in the middle of rural Texas.

This magical oasis in East Texas is one of the most biodiverse acres in the country.

Nestled in the heart of a Texas town is a dreamy secret garden dating back to the 1940s.

The largest underground pedestrian tunnel system in the U.S. mostly caters to the people working in the offices above, but provides a great, air-conditioned way to traverse the city.

This small park features a monumental fountain wall, providing a great photo opportunity in the middle of Houston.

Local arts organization founded in a former church.

Artist James Turrell's ode to dawn and dusk on the campus of Rice University.

A little bit Wonkatania, a little bit pink elephant.

An unrealized Taoist palace left abandoned in a Houston suburb.

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

A 90-year-old underground water reservoir offers a more industrial kind of tranquility.

This city block-long devotional site, a replica of a famous site in France, is dedicated to the patron saint of grandmothers, mothers, and educators.

This cathedral dedicated to Louis IX, sainted King of France, holds many secrets.

Professional and amateur dioramas, taxidermy, and oddities all located in an attic above a gallery.

Inside this art and oddity-filled shop, a small room filled with secrets.

A unique post-modern public space in the middle of the Warehouse District in New Orleans.

An abandoned warehouse turned art sanctuary in New Orleans.