The fifth-longest suspension bridge the world, connecting one Michigan peninsula to another.

One lonely, modern pyramid has gone from corporate think tank to deserted boondoggle.

No one really knows how these old hobby horses got here, but the herd keeps growing.

The unusually large seat sits atop the base of a ruined temple.

A serious museum dedicated to two German comedians.

These bronze pamphlets remember a remarkable group of Germans who fearlessly opposed the Nazis in the very center of their power.

The mysterious empty cupola behind the monumental arch points to an ancient prophecy of Delhi.

Tour the sci-fi-esque reality of governmental disease management.

An overlooked memorial honoring the local Washington residents who died in World War I.

An ancient iron pillar in Delhi that seems to be rustproof.

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

Ho Chi Minh's perfectly preserved body has been on display here since 1975.

The notorious "Hanoi Hilton" where Vietnamese colonial subjects and later American POWs, including John McCain, were imprisoned.

The twin towers in this Chicago fountain use 50 foot tall video screens to spit on people.

Yo, Adrian!

A muscular Art Deco monument represents the struggle between regulators and unbridled markets.

Life-sized painted illusions let pedestrians blend in with the street art.

Twice a day a speeding train passes only inches from the homes of this residential neighborhood.

This Vietnamese hell cave lets visitors take a walk through a devilish underworld full of demons.

This bridge is embedded with a giant steel dragon that breathes fire from its mouth.

A nightmare for the claustrophobic lies hidden in Southeast Asia.

Artifacts and memories from the Vietnam war, located in a place that experienced it first hand.

5,000 skulls in memorial to those killed by the Khmer Rouge.

A hoard of sky catalogs, astrophysical journals, even the works of Galileo and Copernicus.