Hidden in Central Park's Ramble is a troublesome cave buried just beneath the surface.

Read between the lines of the subway map to find the hidden abandoned Civil War fort.

The fanciest public restroom in New York City boasts fresh flowers, art, and a classical music soundtrack.

In 1787, a group of delegates met at this very spot to drink, be merry, and ratify the Constitution of the United States.

Suspended above the ground in a thicket of towering Georgia trees is a modern architectural wonder.

This small cemetery is all that remains of Atlanta's first Black communities.

Atlanta's strange assortment of concrete pillars inspires reflection in some, confusion in others.

Secret gardens just a few miles from downtown Atlanta.

Healing Springs that once ran red with soldiers' blood.

The world's first time capsule lies behind a welded steel door in Atlanta.

This massive store is home to an eccentric collection of vintage, retro, and peculiar goods.

Constant erosion has created a surreal landscape of bleached and preserved fallen trees.

An unassuming nature trail winds through dozens of tiny houses built for the wee people.

This Central New York ghost town was once a prosperous railroad community.

A secret climbing tree hides along the side of a Costa Rican road.

A brass plaque dedicated to a convicted cannibal hangs in the National Press Club, and that's not even the craziest part of the story.

The walls are decorated with whimsical murals painted by the creator of the Madeline franchise.

These mysterious mazes carved on the rock may be up to 4,000 years old.

A Civil War fort in the middle of Washington, D.C. has been swallowed by a forest.

A lovely aquatic park built by a one-armed Civil War veteran who made a fortune from lotuses.

Enormous piles of historically significant stones, dumped by Congress in a forest, and abandoned for 60 years.

One of the dwarven trees dates back to 1625 and survived the Hiroshima bombing.

The highest point on the island known for buildings that touch the sky.

The second oldest continuously operating bar in Louisiana.