This 19th-century prison once held Irish revolutionary Constance Markievicz, writer Frank O’Connor, and a nine-year-old pickpocket.

A wide array of locomotives call this outdoor museum home.

This hiking/biking/horse trail along an old railroad grade features trestles, tunnels, and a roadless stretch through the scenic Susan River canyon.

A cultural center on the shores of Lake Malawi dedicated to preserving Karonga’s past and present, including the fossilized remains of the Malawisaurus.

A massive tribute to Estonian history and culture.

This authentic Fijian restaurant helps farmers and fishermen recover from natural disaster.

A stately castle in the northern Italian countryside has been restored after years of neglect.

One of Antoni Gaudí’s earliest buildings, built between 1886 and 1890 for the industrialist Eusebi Güell.

Reclaimed material from a convent destroyed by cannonfire was used to build parts of this 19th-century cemetery.

A museum of space exploration in the UFO capital of Japan.

Underneath the historic center of Mexico City, the remains of a temple dedicated to the Aztec god of the wind.

This combination shop and museum is filled with curious items and artifacts.

An excursion train traverses a picturesque red-rock canyon along the Verde River.

This popular pitstop lives up to its name.

Everyone from Alan Ginsberg to The Rolling Stones has stopped by this classic dive bar.

Drift through underground caves on a tube.

Experience life in one of America’s smallest neighborhoods.

Planes, helicopters, and a shipwreck are underwater in this former limestone quarry.

The history of central Minnesota under one roof.

This colorful, ornately-decorated cemetery sits next to a quiet cove known as "the beach of the dead."

Antoine de Saint-Exupéry's 1943 book shares a surprising connection with El Salvador.

Only through the lens of a microscope can visitors see the true treasures inside this museum.

The flow from this waterfall sometimes comes out of springs below its rim.

Take an underground boat ride through a former hydraulic raceway that was built in the late 19th century.