These delicate buggers are some of the rarest fossils that have bubbled up from the Tar Pits.

At this Denver landmark, the meals are compulsory, the sopapillas are complimentary, and the insanity is everywhere.

Possibly the most beautiful carillon in the world, set atop Iron Mountain in Florida.

A breathtaking array of ancient Pueblo structures and artifacts counterintuitively preserved by neglect.

A pair of slides and a tree-lined stair corridor have been an urban oasis for nearly 40 years.

Bigfoot prints, Feejee mermaids, and haunted dolls on display in a tiny North Carolina town.

Sniff the Titan Arum's rotting flesh.

A self-built castle made by a mysterious man.

A giant bronze coil of feces is both a tribute to doggie defecation and a reminder to pick it up.

Long-abandoned trolley tunnels just a mile away from the White House are turning into an art space.

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

A one-of-a-kind collection of a unique medium.

A library of rare occult books in Los Angeles.

Where beautiful signs live on forever.

Seemingly grown on some other world, these New Mexico rock formations look like a disused science fiction set.

The "Seinfeld" diner.

A trash dump made beautiful by nature's power.

A rare view of a preserved Victorian science museum.

With over 100 jam-packed rooms to explore plus elaborate tea services and events, the Mansion on O Street is a hidden treasure.

Ride the subways of yesteryear.

Two thousand artifacts from around the world collected by one woman who loved to travel.

A museum befitting the city responsible for supplying the majority of the world's LSD.

Its buzzing collection honors vibrator history.

Mysterious rocks that ring musically when struck.