A 100-year-old purveyor of curiosities, curios, and kitsch featuring mummies, shrunken heads, and a Fiji Mermaid.

Teeming with illegal goods and services, this towering maze of vice is also a popular tourist accommodation.

I-95's Tijuana-style celebration of kitsch at the Carolina border.

A grand New York post office that is home to mailman Santas, scraps of postal history, and a pneumatic mail system.

This prison-turned-museum is a remnant of the Old West's grizzly, violent past.

This abstract roadside poultry was saved from demolition by outraged drivers and pilots.

This otherwise unremarkable ski town building marks the site of Butch Cassidy's first robbery.

Once close to extinction, there is no shortage of elephant seals on the beaches of Año Nuevo State Park.

One of the most scenic stretches of road in America winds between some of the country's oldest trees.

This prehistoric sinkhole lured exclusively male mammoths to their death, much to the delight of science.

An 18th-century Spanish watchtower made entirely of seashell and concrete.

The famous boat that once ferried Bogart and Hepburn still floats in Key Largo after being abandoned for years.

An abandoned water sports stadium that has become a haven for graffiti and decay.

The only swimming pool listed on the National Register of Historic Places is emptied and refilled each day with naturally filtered water.

Twelve natural mummies are displayed in the crypt of this former monastery school.

A whimsical monument marks the highest point in Kansas, not that you could tell by the looks of it.

The highest point in Texas is capped by a big silver pyramid.

This neon blue river gets its color from a unique mix of bacteria and volcano minerals.

The largest hot spring in the United States is, as the name suggests, a stunning show of natural color.

The highest point in Oklahoma used to be a lawless outlaw's paradise.

The highest point in South Dakota contains the ashes of Valentine McGillycuudy, the "Holy White Man."

The highest point in Delaware is located under a trailer so this marker across the street will have to do.

In the St. Francois Mountains in the Ozarks at 1,772 feet above sea level, Taum Sauk Mountain is the highest (and possibly oldest) peak in Missouri.

The highest point in Florida is still the lowest high point in the country.