A century-old cabin off of Highway 30 touts an unusual construction material: dinosaur bones.

The world's largest mountain carving could fit all of Mount Rushmore inside it many times over.

A place where the laws of nature seem to have gone completely berserk... but of course haven't.

This haunted hotel built on natural springs once served as a hospital for a quack doctor promising a cure for cancer.

Collection of skeletal systems from the "world's leading supplier of osteological specimens."

A unique attraction and museum dedicated to exploring iconic roadside structures.

Former laboratory of radical psychiatrist Wilhelm Reich.

Monument to the cotton-destroying boll weevil.

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

A 19th-century shrine covered with prosthetic body parts as votive offerings.

Site of a former hidden treehouse in New Orleans.

An island filled with hundreds of hanging, decomposing, decapitated dolls.

An unusual bed & breakfast made of papercrete.

The only museum dedicated to the history of the "Magic Lantern," a medieval slide projector.

A wild Hollywood resort thwarted by mosquitoes.

Hotel designed around a 16th century Mexican bullring.

A European-style bath house in Chicago.

Olfactory delights in San Francisco's Botanical Gardens.

Volcanically heated hot springs.

Fantastic collection celebrating the final send-off.

A health museum containing a 27’’½-foot intestine.

Scale replica of China's ancient terracotta tomb warriors and Forbidden City are the side project of an eccentric millionaire.

Ruins of a once-opulent grand Victorian resort.

A motel dedicated to Southwestern nostalgia.