A 98-room castle in the middle of Toronto that bankrupted a 19th century electricity multimillionaire.

Railways may have forged this quintet of lovely tunnels, but now they are open to hikers.

Bring your own cardboard to the slippery slopes of concrete hidden in a neighborhood park.

A huge musical instrument played by the ocean.

The largest collection of historical roller skates in the world.

The home for all things Kool-Aid offers everything except a chance to actually enjoy the drink.

This unique sanctuary invites you to interact with the beautiful birds.

Version of the French Riviera destroyed by the sea.

An amazing collection of fantastic reptiles, amphibians, spiders, and insects.

Abandoned hotel with adjacent lake and golf course.

The memorial to the victims of the Jonestown Massacre carries the names of 918 lost, including one name people wish wasn't there.

Get up close to emus and ostriches, or buy their tasty meat.

This 19th-century church is now a popular roller rink.

The "3rd largest" city in California is an empty mirage of suburbia in the middle of nowhere.

Built by the inventor of the radio, this abandoned hotel has housed early radio employees, military men, and a dangerous cult.

World's largest collection devoted to one fruit.

The highest dunes in California are the most likely place in the area to hear the Singing Sands.

One of the last free public hot springs is decorated with hippie art.

The neighborhood shop is a sort of tiny cactus museum full of exotic specimens you can take home.

A multimedia experience that chronicles the atrocities of racism.

The "Fun Spot of the Desert" is now a haunting ruin, and a reminder that putting a water park in a desert is a bad idea.

One of the ghostly stops along Route 66.

This abandoned Navy base was transformed into an off-grid alternative living community for thousands of people.

The tea room that pushed the boundaries of adorable straight into...we can't find the words.