The first park built over a freeway is a brutalist masterwork.

A short hike into the mountainside forest reveals a decaying 1890s town.

Former farm staffed by mental patients is now a public park.

This private home is famous for appearing in the cult-classic "Twin Peaks" series.

One man's eclectic collection of treasures found at sea.

A mining town once rife with murderous disputes over its copious treasures now creates income as a popular spot for photo shoots.

Ancient human, animal, and geometric figures drawn in the earth.

This golf ball–shaped former desert real estate office now houses a UFO museum.

An abandoned facility that has become a place of ritualistic satanic worship, or so rumor has it.

Concrete crosses scattered across the Arizona scrubland which were used to align spy satellites.

Some of the tallest ancient American ruins continue to inspire awe and curiosity.

Metal water storage tank turned ethereal concert hall.

A sculpture made of 10 Cadillacs as a monument to the "Golden Age" of the American automobile.

A house turned museum is the real-life "home" of the fictional main character of The Wizard of Oz.

The top of a giant mesa, just outside of Amarillo, appears to float in the sky above.

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

Continuing the tradition of the dime museum in style.

This failed condo development was reborn as a street art hub.

Remembering the Alamo with a full-scale replica of the 1836 city.

Mysterious glowing orbs float through the desert night.

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

This UFO landing strip was created by a charitable Wyoming city that was worried about residents of Jupiter.

A museum dedicated to the alleged Roswell Incident.

A cave's rare beauty held a cavernous secret hidden underground.