This incredible viaduct was part of the Victorian railway boom and helped the Midland Railway navigate tough terrain.

Eighty million natural history specimens call this gargantuan museum home.

High atop the Eiffel Tower is a small apartment built exclusively to entertain the science elite and make the rest of Paris jealous.

The vast, legendary catacombs hold secrets much stranger than stacked bones.

Makers and sellers of the original and finest York Ghosts.

Follow the original medieval paths that wind through this intriguing section of the city.

The accidental discovery of this gilt bronze head led archaeologists to find the Roman Baths in the city of Bath

Every hour the doors open to reenact the legend of the heroic mayor who saved his town by drinking a gallon of wine.

A castle from the Holy Roman Empire that hosts traveling youth... in its stables.

Come for the flowers, stay for the bats!

This outdoor museum harkens back to the height of the gold rush.

An incredible garden taking over the interior of a massive sinkhole.

A massive metal lobster welcomes tourists to a roadside restaurant.

A 100-foot-tall mural in South Australia.

This pioneer village is like a time capsule of 19th-century Australia.

This green and white building is shaped like a massive Rubik's Cube.

This stone tower was built in the late 19th century to signal the time to ships in the water.

A wealth of plants and horticultural curiosities fill this charmingly antique museum.

An iconic work of public art that lights up the downtown area.

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

These bronze sculptures sow whimsy by hamming it up on a pedestrian mall.

A controversial interactive sculpture that "weeps" water.

Hundreds of tiny dead butterfly eyes gaze down at diners in this Australian eatery.

These 12th-century catacombs carved into a mountainside were a place of mysticism and Christian hermitages.