The spot in the Mile-High City that's exactly 5,280 feet above sea level (at least for now).

The final resting place of a 19th-century gold prospector and convicted cannibal.

This seemingly charming home memorializes and honors the victims of a century-old unsolved murder.

Home with Gothic windows featured in a famous painting.

This bleach-white graveyard overlooking the ocean is accessed through a tunnel.

A land of debatable treasure.

A brothel nestled amongst ghost towns, with an abandoned plane wreck to greet you.

The most magnificent bottle house in a town strangely full of them.

Twelve plaster figures inspired by da Vinci's famed painting haunt the desert landscape above a real-life ghost town.

Odd outsider art installations surround a Gold Rush-era ghost town.

Semi-recognized center of the world, with many oddities.

This claimant to the title of "smallest church in the 48 states" doubles as an equally tiny, quasi-post office.

Near-constant high winds deform the trees on Spruce Knob, the highest point in West Virginia.

The highest point in Maryland is only accessible by hiking through another state.

Frank Lloyd Wright's most iconic home dangles over a Pennsylvania waterfall.

One man's real life disfigurement inspired a lasting local legend surrounding an eerie tunnel.

This midcentury chapel is a bold architectural statement and a symbol of Indiana's Lutheran heritage.

A large collection of motorbikes with some impressive gems.

The highest point in Indiana is curated by an Eagle scout but may be in danger of losing its record to a nearby garbage pile.

In this relatively flat state the highest point is an honored place.

A graceful natural rock formation stands astride the point where the Gulf of California meets the Pacific Ocean.

A Lovecraftian altar of nightmarish bronze chairs sits ominously on a boardwalk in Puerto Vallarta.

This church, buried halfway in lava rock, is all that remains of a Mexican village destroyed by a volcano.

No telescopes, no power, no gift shop: The Observatory of Chichen Itza, one of the world's oldest observatories, takes astronomy back to basics.