A hand-built folk art installation covered with messages of God's love.

A lighthouse built to save lives that took quite a few with its treacherous location.

Under the right circumstances, this waterfall in Yosemite briefly turns a luminescent fiery orange.

A notoriously corrupt Chief of Police's deteriorating Greek-themed playhouse.

66,000 pieces of art, donated by one of the world's richest men.

Beach instrument turned bed and breakfast.

Hotel designed around a 16th century Mexican bullring.

Giant nude woman of Tijuana is also the artist's home.

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

Beneath a Virginia City bar is the entrance to an abandoned gold mine.

This settlement on the original Transcontinental Railroad began by harvesting timber, but transitioned to a forgotten 19th-century industry: harvesting ice.

A breathtaking 19th-century trail overlooks Lake Tahoe.

This colorful, ornately-decorated cemetery sits next to a quiet cove known as "the beach of the dead."

Tucked along a river are enigmatic stone carvings created thousands of years ago.

A theme park that suffered massive flooding during Katrina was abandoned, and now proves irresistible to trespassing explorers.

This largely forgotten piece of Cold War history stands hidden in the woods just north of the Mississippi Gulf Coast.

The crumbling remains of a 19th century fortess.

A historic Civil War estate-turned-museum looks back on the Confederate States of America.

The massive, incredibly rare instrument is over 11 feet tall with a range so deep it goes lower than humans can hear.

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

This former stomping grounds of the most eminent astronomers of the early 20th century.

Ten 25-foot-tall, beehive-shaped kilns, abandoned in Death Valley.

The lowest point in North America is home to an undrinkable pool surrounded by fields of geometric salt flats.

A beautiful memorial tells the story of a formerly enslaved woman whose kindness shaped a burgeoning city.