Garden dedicated to native carnivorous plants and site of huge flytrap heist.

Hidden beneath the streets of London is a secret subway that only carried mail.

A sacred site for Native Americans surveyed by George Washington and owned by both King George III and Thomas Jefferson.

This electric green sulphur lake in New Zealand looks like a cartoonish radioactive dump site.

Take a steam-powered ride straight out of the past on this Appalachian rail line.

Witnessing the might of this dessert-colored desert waterfall is a rare, powerful treat.

This lurid German fountain plots the sad course of marriage from dating to death.

In northern Ohio, the glorious past of America's trains is on full display.

An unassuming 13-acre park is home to over 12,000 roses.

This spectacular public market has got meat, fish, vegetables, baked goods, and enough kielbasa for a lifetime.

An unoccupied lighthouse encased in layers of ice from the waters of Lake Erie.

This collection of Japanese luck idols beckons visitors with over 2,000 waving paws.

A castle built by an eccentric medieval enthusiast in rural Ohio.

Rare recess caves fill this unbelievably beautiful Ohio park.

Take a drunken tour inside the world's largest known geode.

Where beautiful signs live on forever.

Where the Great Wall of China meets the sea.

This semi-secret storybook hedge maze is also the oldest garden in the city.

This small-town Connecticut restaurant gives each diner a free book from its vast library.

A beautiful but toxic fountain of mercury.

Giant origami sculptures tucked into desert scenery beckon passers-by to explore further.

In the woods of New Jersey lie the ruins of a munitions village abandoned after World War I and the remnants of a 1920s wooden racetrack.

Explore the largest pure gypsum deposit in the world, and go dune sledding while you're at it.

The sound of swaying stalks in this stunning grove has been named a governmentally recognized sound.