Places Edited by Eric Grundhauser

The hidden "ballroom" under a mansion lake was built by a criminal who ate a cyanide pill during his trial.

A deteriorating 1990s Girl Scout camp in a beautiful lush park on Lake Ontario.

An enormous and lavish Gothic church in Czechia.

A beautiful, dense forest in the shadow of Mount Fuji, with a tragic reputation.

Left untouched since a double murder-suicide in the 1960s, Los Feliz murder mansion remains a neighborhood mystery.

Designed by Buckminster Fuller, this relic of the 67 Expo survived fire and ice.

The homestead of American patriot John Adams.

The mass grave of a heroic Revolutionary War regiment sits below an empty lot near the Gowanus Canal.

This monument on Breed's Hill proves that one of the most famous battles of the Revolutionary War is misnamed.

The humble fort that saved Washington.

The whole of Maine's history with the salty little fish is packed into this tiny coastal museum.

Parking garage where Bob Woodward met Watergate source "Deep Throat."

"There's nothing there," and other lies the KGB told us.

This small exhibition displays equipment and artifacts once belonging to the feared Stasi secret police.

Home to items never before seen by the public.

Home to secret Eastern Bloc spy equipment and the largest stretch of the original Berlin Wall outside of Germany.

This shop for all your super spy needs hides an educational secret.

One man's personal collection of KGB memorabilia is presented along with his strange viewpoint.

Meet the world's longest tapeworm in a collection that really gets under your skin.

It’s a bug’s life at this Korean eco-event park, built to host an annual butterfly festival.

The world's largest collection of ticks.

These eerie outliers of the lightning bug family glow a mysterious blue color.

This 19th century jail was mainly used to incarcerate the drunk and disorderly.

These termites have an large and deadly abode—impressive by day, dazzling by night.