This unique structure in suburban Austin is made up entirely of other people's castaways, and constantly changing.

Continuing the tradition of the dime museum in style.

An emerald-green grotto just a short trip from Austin.

One of the three perfect vellum copies of this historic book known to exist is on display in a specially-designed case.

Press 1 for knock-knock jokes.

A tiny monument to the unsuccessful attempt by Thomas Jefferson to place the prime meridian in Washington.

Where you can hail your favorite fictional commanders-in-chief.

A much-maligned monument to teetotalism.

This unacceptably tall building was the real reason for Washington, D.C.'s skyscraper ban.

This poor little statue is the most vandalized memorial in Washington.

This robust fence in front of a historic Georgetown home is likely made from hundreds of recycled Revolutionary War firearms.

Amid the sprawling Defense Intelligence Agency Headquarters is one of Washington's least accessible museums.

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

A painfully obvious spy house sits right across the street from the Russian Embassy.

Come for the 14-foot-long taxidermy alligator. Stay for the mini costumed gators shooting pool.

This Art Deco airport was once deemed “the air hub of the Americas.”

Parts of the civil rights movement unfolded in this historic eatery, helmed by the "Queen of Creole Cuisine."

Made of giant chains and hung with shackles, this iron cross honors those unknowns who perished under American slavery.

A 200-year-old building in the French Quarter that was to be Napoleon's home in the New World.

The curiosities and wonders of pharmacy in a delightful historic building.

The restaurant keeps a hidden séance room on the second floor and reserves a table for the spirit of the former owner each night.

A snapshot of the city's fascinating voodoo culture.

The final resting place of New Orleans' most famous voodoo priestess.

A collection of oddities including Dr. Kevorkian's suicide device, the Thanatron.