Fittingly, America's museum of architecture is itself a magnificently designed old building.

A diminutive plaque recalls the treetop sniper who almost killed Abe Lincoln.

Enormous piles of historically significant stones, dumped by Congress in a forest, and abandoned for 60 years.

A delightfully quirky blend of oddities spread throughout an old 1920s bank.

100-year-old shipwreck you can walk up to at low tide.

The eerie remnants of an ancient forest were hidden under the sand for centuries.

When it opened during the final years of the embargo, all the drinks and cigars were free.

An old World War II hangar holds 20 vintage aircraft and the rare opportunity to take a ride in a 1940s warbird.

A forensic lab dedicated to fighting crimes against wildlife.

The largest wooden building in the world now houses a fascinating collection of aircraft.

Only known mainland rookery of the threatened Stellar sea lion.

The magic's in the hole!

This frequently-photographed waterfall takes only a short hike to visit.

The final resting place of a legendary science fiction author and his fraternal twin sister who died as an infant.

Open-air cremations in Colorado's self-proclaimed spiritual mecca.

A mental health hospital dating back more than 139 years, now features a museum.

Located in the world's highest-altitude Dark Sky Community, this observatory welcomes amateur and professional astronomers alike.

Hidden high on a remote mountain peak is a humbling and mysterious Vietnam War memorial.

This Boeing KC-97 tanker is now a restaurant for aviation lovers.

These elevated trucks were put in place as a middle finger to The Man, but are now considered folk art.

A rainbow-colored house promotes LGBTQ rights across the street from the Westboro Baptist Church.

During the 1990's nearly all of the world's LSD is thought to have come from the operators of the lab once located in this missile silo.

The grandson of a Kiowa chief created what has become the iconic symbol of a city on the Plains.

The home for all things Kool-Aid offers everything except a chance to actually enjoy the drink.