This ancient Greek place of assembly and marketplace is being revealed layer by layer below the modern Athens cityscape.

A minotaur, a labyrinth, and a dubious restoration pull in visitors from around the world.

The hallucinogenic center of the ancient world.

Turns out you can see the world without ever leaving Maine.

This colonial fort is an intriguing example of Renaissance military architecture.

Get tall with nature's lankiest beasts and their warthog friends at this Kenyan preserve.

A Nessie-like monster supposedly lurks in this lake.

Practice your Dirty Dancing lifts in the manmade lake where Johnny Castle himself did.

The highest point in North Carolina and the United States east of the Mississippi River, Mount Mitchell is named after argumentative explorer Elisha Mitchell.

The remains of the iconic train crash from the movie 'The Fugitive' can still be found rusting along the Great Smoky Railroad.

A psychological self-portrait in the form of a giant, segmented head.

Who needs fancy modern water slides when this giant North Carolina rock works just as well?

This road in the Great Smoky Mountains was supposed to assuage a displaced community, but ended up a $52 million dead end.

A band of aerialists and circus performers putting on incredible shows in East Williamsburg.

Sniff the Titan Arum's rotting flesh.

Ride the subways of yesteryear.

One of only two commuter aerial tramways in the United States.

Whisper secrets in a busy station only to be heard on the other side of this acoustic arch.

The feral felines of Roosevelt Island have a small army of allies and an abandoned hospital all to themselves.

A semi-scholarly approach to sex.

Try not to get slimed in Tribeca.

Elevated freight railway turned wildly successful urban park.

Manhattan’s Battery Park has a whimsical carousel full of spinning, glowing fish.

A crumbling hospital from the 1850s on Roosevelt Island.