A museum, walk-through diorama, and library nestled under one castle-like roof.

The commemorative stone column conceals a secret laboratory.

The frozen bubbles that form on the icy surface of this Canadian lake contain enough methane to create a small explosion.

Artists have long been drawn to these atmospheric 12th-century ruins.

This mansion turned restaurant was once a pitstop for Al Capone during his travels.

Concrete pillars provide a beautiful canvas for Quebec City's graffiti artists.

A cheese discovery made by shepherds became the pride of a region.

At this small museum, visitors can view artifacts from the only battlefield in London during the War of the Roses.

Its walls are adorned with exquisite murals of the natural world, transforming it into an ecologist’s Sistine Chapel.

The scarce remains of a sunken ship peek out from the sand on East Beach.

This 19th-century island fort built to protect against an invasion by sea.

Soldiers carved these regimental badges into the chalk hills in remembrance of those who died in World War I.

Every Sunday, this Thai temple in Berkeley serves a backyard brunch.

The busy transport hub is home to the tallest airport slide in the world.

The adorable animals return to this nature reserve every fall to give birth to their pups.

In this subterranean brick arcade, a small shop continues the ancient practice of bookbinding.

A roadside attraction fit for a giant.

An amazing collection of rare wind instruments where visitors can give the iconic Swiss Alphorn a toot.

This charming, narrow-gauge railway in the Thames Estuary is sometimes referred to as the "Train to Nowhere."

The ruins of a 15th-century church once home to priests who prayed for a single family's salvation.

During the American Revolution, this mansion hosted failed peace talks between the British and Americans.

The only retired U.S. nuclear missile silo that is open to the public.

The floating gallery illuminates the heart of Québec City's arts district.

Home to some of the world’s darkest skies, this project blends ancient Māori culture with world-class astro tourism.