Gift shop offering toe tags and chalk body beach towels tucked into a coroner's office.

This iconic L.A. bookshop is housed in an abandoned bank—both symbolic and chic.

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

A museum dedicated to the history & joys of the trail & your best chance to see hikers throwing up ice cream.

The semi-reclaimed ruins of this canal were once part of an ambitious plan to reroute the mighty potomac.

Outsider art meets paleontology at this roadside reptile repository.

Bizarre Cavern.

A monument marks the location of the first successful steamboat demonstration.

At 207 feet, one of the world's longest continuous escalators.

The "lovely red Vega" of the legendary record-settling pilot.

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

A tiny piece of the Moon is embedded in this stained glass masterpiece.

The sci-fi villain is a little-known inhabitant of the U.S. capital's largest cathedral.

Home to items never before seen by the public.

The privately owned cemetery that holds room for Washington's finest when they step down from life.

Hunting trophies decorate Oregon's most unique bar-restaurant.

Bar full of oddities, specimens, artifacts and homages to the great dime museums of the past.

Giftshop catering to cryptozoologists and anyone with a sense of humor.

The United States Capitol's former columns still stand.

Largest Roman Catholic church in North America.

An astounding collection of medical specimens, including bits of President Lincoln.

Crammed into a Baltimore row house is an oddities shop that sells everything from skulls to dead insects.

The man who first patented the Ouija board rests in peace beneath a headstone that playfully reflects that achievement.

It's not hard to see why the historic Peabody Conservatory of Music's library has been described as a "cathedral of books."