This abandoned Olympic skiing facility still bears the scars of the Siege of Sarajevo.

This top-secret nuclear bunker hidden in a Bosnian mountain has been converted to a modern art exhibition space.

This museum preserves the hand-dug tunnel that kept Sarajevo afloat during the Serbian siege.

A war-torn Olympic relic is being overtaken by graffiti and nature.

Bridge that died in war and was resurected.

Since the 1700s, this old barrel has acted as a post box that relies on the kindness of travelers.

An exhibition devoted to the life (and posthumous taxidermy form) of the last known representative of the Pinta Island Tortoises.

A major pre-Columbian archaeological site in central El Salvador.

This portion of a lovely Belize beach is infested with (harmless) sharks and rays.

The first piece of public art dedicated to LGBT rights.

The most confusing clock in New York.

The artist and New York City icon lived, worked and died in this converted carriage house owned by another iconic artist, Andy Warhol.

This historic building housed the surviving crew members of the Titanic, who were left destitute after the wreck.

The site of the deadly Triangle Shirtwaist Factory Fire.

In its day this historic fort held 100 cannons pointed in almost every direction to protect New York.

Salute the leader of the proletariat.

There must be a pun in this haystack somewhere...

This outdoor gallery of graffiti-covered walls pays homage to the past, present, and possible future of street art.

The former hotel where Tesla invented the radio.

Cryptic messages embedded in the New York City sidewalk.

This abandoned seaside fortress is now simply an imposing ruin being taken back by nature.

Everyone from Mark Twain to Teddy Roosevelt has a pipe hanging from the walls of this historic chophouse.

The first museum in the United States dedicated entirely to posters.

The New York hotel where tragic visionary Nikola Tesla spent his final hours, destitute and alone but for the pigeons.