The remains of Martha, the last known passenger pigeon, serve as a tool to educate about conservation.

The short oil boom of Venice Beach, and its swift removal from the tourism-laden landscape.

A city continually buried under the ash of a volcano that has been erupting for more than 15 years.

The first U.S. town to secede from the Union, only to vote themselves right back in.

Town not known for anything except its strange name.

An outsider art studio that created a piece of work so popular they had to turn mainstream.

This subterranean necropolis holds three floors of antler-dug grave caves.

A nursery specializing in strange and beautiful succulents and cacti.

Where a staggering 747 ships were constructed during World War II.

Take in a rare, face-to-face glimpse of Lady Liberty at this tucked away Red Hook park.

This Rhode Island mansion was a stand-in for the exteriors of Collinwood in the original "Dark Shadows" series.

An enormous artwork that colorfully celebrates over 150 years of US military achievements.

Former 1954 Del Mar Train Station now serves signature cocktails and delightful culinary treats, and still operates as a Metro stop.

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

One person's lost luggage is another person's treasure.

A bizarre roadside attraction and the first instance of miniature golf in the world.

The footprint of a frustrated devil in Munich's Cathedral.

Go surfing on this urban wave, "hacked" by local surfers.

A castle from the Holy Roman Empire that hosts traveling youth... in its stables.

This abandoned coliseum was intended to be a grand Nazi rallying ground before it was halted at the end of the war.

The most isolated mailbox in America lets desert travelers record their passing.

Rare signs of the former Soviet Union in the Caribbean, though not where you'd expect them.

This mountaintop lake bubbles and steams in a perpetual boil, thanks to its direct link to the Earth's interior.

The cell which saved the life of Ludger Sylbaris, "the man who lived through Doomsday."