A Victorian marvel of engineering is now a 21st-century tourist attraction.

The symbolic center of Ireland, this summit also offers panoramic views of the countryside.

Dine amidst exotic plants at this former royal greenhouse.

Hidden inside this Arizona fast food franchise is an in-depth exhibit on the famed WWII counterintelligence program.

This family-owned pottery shop is home to the last operational dragon kiln in Singapore.

A totally unique, animatronic depiction of the Australian gunslinger's last stand.

This beautiful, all-in-one museum, private residence, and bed and breakfast houses a rich collection of African art.

A hidden bas-relief of a hare on a church main portal that brings good luck to the ones who find it.

This temple contains what might be the world's oldest optical illusion.

This tree was grafted from the actual tree that led Isaac Newton to ponder the theory of gravity.

Overlooking Puget Sound sits a garden with a Buddhist prayer wheel and an elaborate labyrinth.

This atmospheric spot in Pärnu's historic old town is located in a 17th-century almshouse.

Denmark’s never-ending bridge.

The sister plane of the C-123 shot down during the Iran-Contra Affair has found a new purpose in retirement.

This multicolored meandering masterpiece is Britain's longest bench.

Over thousands of years, this slot canyon was carved out of the bed of an ancient lake.

Air-raid tunnels hidden beneath this opulent hotel provided shelter and an escape route—and one of the world's longest slides.

The frozen treats at this Cape Town parlor are inspired by Africa's food cultures.

One of Indonesia's tallest, this waterfall takes a 390-foot plunge into the Lake Toba caldera.

This giant squid sculpture sits near the spot where a real-life specimen was captured in the late 19th-century.

Rebuilt several decades ago, its striking murals prevent it from being reconsecrated as a church.

At this sweet shop, the descendants of a royal chef serve up the fudge-like dessert his ancestor invented for a king.

The world's first cageless zoo is working to save endangered Tasmanian devils.

Oliver Cromwell marched his army over this narrow bridge to victory at the Battle of Preston in 1648.