Where an 11th-century flying monk crash landed after attempting to take to the skies.

A rare surviving Victorian greenhouse designed specifically to house giant water lilies.

These quaint cottages feature built-in signaling devices for fishermen.

This lake’s emerald green waters are a spectacular sight, but it’s not a great place for a swim.

This colorful but controversial ceiling has been likened to a 21st-century Sistine Chapel.

Buffalo's abandoned concrete grain elevators are getting a second life.

It would take you approximately an hour and a half to walk to the end of Mexico's largest pier.

A 400-foot-tall tall map of Chicago makes this once-ignored building stand out.

A memorial to the United States's first wildlife refuge warden.

Mysterious heaps of stones dot these otherworldly woods.

Two churches shoot bottle rockets at each others' bell towers in an unusual Easter celebration.

The home of half the world's population of critically endangered mountain gorillas.

This stunning, out-of-the-way Croatian monument commemorates a community's uprising against occupying fascist forces.

This charming colonial alleyway is one of the oldest continuously used residential streets in the U.S.

The vaulted ceiling is home to a scurry of “squirrelgoyles.”

A stone circle on the slopes of a Caribbean volcano commemorates the leader of an anti-slavery uprising.

This massive chapel in the middle of the Indonesian forest is both haunting and fowl.

An enormous, inside-out glass globe built in 1935.

Granny Smiths and Fujis can both be traced back to Kazakhstan, where apples still grow wild.

A painfully obvious spy house sits right across the street from the Russian Embassy.

Two monstrous faces loom over a village in Czechia.

These Egyptian statues have survived for 3,400 years and were an acoustic wonder of the ancient world.

This dazzlingly turquoise mountain lake was created in the wake of a natural disaster.

This quaint Italian town keeps losing ground as the sides of its plateau slowly erode.