The highest peak in Utah is the hardest to reach, but only if explorers choose the hard way.

A replica that won't float away.

Step into the cool deep past and unknown future of who begat who.

Two New York rooftops are home to the largest rooftop soil farms in the world.

While exploring the desert, you can stop by the home of a fictional heretic from a parallel universe.

A massive forgotten storehouse from 1913 on the Brooklyn Waterfront has a spectacular view of Brooklyn.

Every Christmas, one Arizona city makes the most of its dry climate by creating an arid desert tannenbaum.

The historic “pink house on the hill” is an architectural gem that now serves as a center for water conservation.

Open since 1938, this diner has kept its fountain, malt machine, and all the gum that greasers left beneath its counter.

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

Opinions differ as to whether this Arizona tree was actually used as a Wild West jail, but that hasn't stopped the town from capitalizing on it.

All of the 20 occupied houses in this mostly abandoned town feature some curious display of junk art.

This immigrant bridge once spanned the Thames but is now a fixture of an Arizona city.

Famed architect Antoni Gaudi built this generous thank you gift to a friendly host who housed him during a job.

Modern pyramids built to channel positive energy have also fomented local tales of animal sacrifice.

An underground mansion with fruit-bearing trees and grapes growing beneath the surface of central California.

Social saloon from a scrapped trans-Pacific 19th century steamer.

A Bicycle Path in the Sky.

Barely visible foundations remain where Stow Lake’s “observatory” once welcomed visitors.

This graffiti-covered bridge is the quintessential vision of a place for disillusioned youth to escape the complexities of burgeoning adulthood.

Hollywood's most famous landmark, the "temporary" sign that has stood for decades longer than intended.

The 10-foot-wide Long Beach home was built on a dare.

This stunning sea creature-shaped home blends into the landscape like a fantasy villa.

The most powerful laboratory radiation source in the world pulses with 1,000 times the electricity of a lightning bolt.