A gigantic sculpture garden is packed with innovative oddities.

An open-air museum in a mountain valley features works designed to blend in with—and disintegrate back into—their natural surroundings.

Eight whimsical acres of metal art.

A proto micro-nation sometimes populated by artists, surrounded on all sides by a Utah most barren.

A curious art park at the geographic center of Europe is home to 3,000 television sets and other wonders.

An Aztec snake god has taken the material form of an apartment complex.

One man has carved a number of natural New Mexico caves into psychedelic sandstone temples.

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

Minimalist modern art on a repurposed military base in rural Texas.

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

Visitors can walk over the largest concentration of Columbian mammoths to have died from one event.

An emerald-green grotto just a short trip from Austin.

A modernist landscape of water and sci-fi concrete.

This unique structure in suburban Austin is made up entirely of other people's castaways, and constantly changing.

After serving in Vietnam, Korea, and even a stint in the Turkish navy, the unique ship is now open as a museum.

World's largest precision optical instrument used to detect Einstein's elusive gravity waves.

An abandoned underground bunker not far from downtown New Orleans.

The crumbling ruins of this southern American fort have survived storms, war, and cults.

An otherworldly musical haven in The Big Easy.

Formerly known as National D-Day Museum, this collection commemorates the battles of Normandy and WWII.

This abandoned Civil War fortress is slowly being swallowed by the waters of Lake Borgne.

Built from oil field parts and resembling a teepee, this abandoned mid-century church is hoping for a comeback.

One of the largest Masonic temples in the world, created at the height of the oil boom in ostentatious style.

This little slice of old Jerusalem in Oklahoma is the evolution of a 90 year old passion play.