Two stunning 17th-century libraries and a cabinet of curiosities.

The history of occult science is turned into a creepshow at this lurid Prague tourist attraction.

The trunks of 3,000 year-old trees lurk beneath the surface of this crystal clear lake in Oregon.

The largest collection of Indigenous Australian artifacts in the world, and the rare museum where wood-and-glass cabinets have trumped interactive exhibits.

This once-booming gold mining hub was basically abandoned overnight.

This secret Australian garden was built on love after a man planted a random bulb he found in the ocean.

This massive water spout has been luring visitors for hundreds of years, some to their death.

Relics of Australia's convict past, and a modern scene of unimaginable horror.

An unphotographable nightly march of tens of thousands of "fairy penguins" from sea to shore.

A clear example of the process of erosion in action.

The only pollutant in the clear blue water is sunscreen.

This gracefully curving formation looks like a massive wave that was suddenly turned to stone.

A small, but award-winning beach known for its literally spotless reputation.

Nature is leading a successful mutiny on this century-old freighter.

This unassuming cheese empire in rural Oregon churns out more than 150,000 pounds of cheese each day.

A midcentury ranch house hides a literal treasure trove of unique rocks and minerals.

A vertically floating hemlock controls the waves and weather at Crater Lake.

This medieval Estonian tower provides access to a series of tunnels that have been home to soldiers, punks, and fine art.

A secluded art gallery hidden within the cellars beneath Tallinn’s medieval monastery.

This endearingly discomfited urinating statue commemorates the sneaky pees had by us all.

This irregularly shaped sea fortress has defended not one but three different sovereign states.

Medicinal spa created with the discharge from a geothermal energy plant.

This historic Victorian hotel has a scandalous history of affairs and murder.

A working steam clock, one of only a few in the world, located in Vancouver's Victorian Gastown.