The macabre collection of Jacques Sirgent, an expert scholar on the undead and all of their trappings.

Partially collapsed lava tube and cave system complete with concert hall, underground pond, and unique albino crabs.

America's most famous museum of medical oddities is home to the remains of Albert Einstein's brain.

A nuclear power plant abandoned along with an international allegience.

An exquisite tunnel of cascading flowers.

Each year melting snow turns these Austrian hiking trails into scuba zones.

Moss and stone turn this waterfall into an otherworldly liquid veil.

The intriguing personal collection of a professional demon-chaser.

Giant, natural amphitheaters made of delicate geological formations called "hoodoos."

St. Mary's Asylum was isolated and abandoned before being converted into a Bed and Breakfast.

A newspaper editor turned this abandoned island into a tortoise nature preserve that's now the world's smallest national park.

A resort destroyed by a mysterious bombing offers visitors only its remains and the riddle behind it's demise.

Former WWI oil tanker played a variety of roles in history, its tantalizing rum-flavored scent being the only constant.

Crystal clear lake with a shoreline of travertine located in a Colorado canyon.

Reputedly haunted sandstone necropolis with exquisite stone carvings.

Once the hottest nightclub in France, Amnesia now lies in ruins after a 2000 bombing.

This small group of sand dunes manages to pack in a strange rainbow of colors.

Once a farm where patients tilled the soil, this asylum lost its workforce when overmedicating became common practice.

Underground tunnels remain beneath this abandoned mental asylum.

A humid oasis combines recreation with exploration in a unique underwater cavern.

A take-out restaurant that only serves cuisine from countries with which the United States is in conflict.

A unique waterfall that some believe attracts the fairfolk.

An abandoned whaling station on an active volcano offers hot springs in Antarctica, surrounded by ruined giants of industry.

A dilapidated dock tells the story of Titanic's missed arrival.