Just your average Marie Antoinette–themed speakeasy in an abandoned 19th-century subway tunnel.

This modern antique shop is a museum for 1980's Saturday morning cartoon culture.

A taste of the macabre Tokyo's ritzy shopping district.

Philadelphia boasts one of the best — and most often overlooked — traditional Japanese gardens in North America.

Continuing the tradition of the dime museum in style.

Eighty million natural history specimens call this gargantuan museum home.

Abandoned railway line circling the city of Paris.

In all of the 29 years it was in operation, no prisoners ever escaped successfully... or so they claim.

The only structure left with direct ties to the Salem witchcraft trials of 1692.

These old stone ruins in the Oregon wilderness were once bathrooms and are steeped in legends of murder.

World's largest collection of serial killer artwork and other macabre exhibits.

This iconic L.A. bookshop is housed in an abandoned bank—both symbolic and chic.

One of the few remaining casualties of the London Blitz, this destroyed church has become an enchanting public garden.

This ornate Victorian marketplace was the setting for Diagon Alley and the Leaky Cauldron in the Harry Potter films.

An optical illusion found amid a logged redwood forest.

Hikers can still stroll beneath the long conveyer of this abandoned mining facility hidden in a West Virginia river gorge.

The only geyser in the state of Pennsylvania is caused by pressure from an abandoned coal mine outside of the ghost town Centralia.

An underground blaze turned this village into a ghost town.

A haunted hot springs hotel that went from healing retreat to asylum before it was restored.

This icon of the Atomic Age now lays dormant.

Behold the rickety wooden glory of the world's oldest operating roller coaster.

The pop art icon's gravesite is broadcast 24 hours a day on his museum's website.

These disused steel furnaces are now haunting ruins that may one day be a national park.

The internal railway of one of the biggest steel plants in America has been transformed into a linear park with unique industrial views.