One of the best examples of Art Deco architecture in the United States.

This rural water utility building houses a tribute to one of the greatest stars of the silent film era.

This recently restored crypt was once plagued by liquefying coffins and exploding caskets.

An oil baron's wild paradise and the winner of an ill-fated air race.

This former mining town was named the most toxic town in America.

The collection is housed in an exquisite mansion that makes you feel like you've been transported to an Italian villa.

A world of craftwork elegantly curated in a historic brick warehouse.

Once in a state of dilapidation, this candy-inspired fortress is now being revived.

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

The remains of a 19th century spring, and the site of an infamous unsolved murder.

An accidentally hidden library containing the ephemeral history of New York.

A beautiful and abandoned New York subway station from 1904, complete with chandelier.

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

This perfectly preserved Chinese medicine shop was untouched for decades before being reopened as a museum.

Descend into the tunnels to experience the life of a coal miner.

The vast chamber inside this abandoned cooling tower looks like something out of a sci-fi dystopia.

A magical and peaceful ruined Cistercian abbey in what is now southern Belgium.

Medical history with an amazing, if frighting, collection of wax diseases on display.

A whimsical menagerie of devils, krampuses, satyrs, and other horned creatures.

Though strikingly beautiful, Seattle's other railway station is now largely forgotten.