The same water that fills a luxury resort’s pools feeds these free hot springs in the rainforest.

Canada’s infamous maximum-security prison, now open for guided tours with former guards.

This sculpture was made in 1973 for the city's 300th-anniversary celebrations and was largely considered an eyesore at the time.

There are over 12,000 Buddha statues at this temple complex that has been mistakenly labeled a monastery.

Natural earth mounds formed in the far north.

A lasting testament to the Klondike Gold Rush.

This greenhouse was once a hockey arena.

This house of worship in the Arctic Circle is shaped like an igloo.

A skeletal collection of former nautical mainstays.

A colossal gold-dredging machine from the Klondike mining boom, now open to tours.

Home to a full cast of the largest woolly mammoth ever recovered in North America. 

This decommissioned DC-3 now forever points into the oncoming wind.

This Canadian road's nickname stuck so hard the city had to keep it.

One of Catholicism's four major basilicas has a series of papal portraits that are said to predict the end of the world.

Also known as the Square Colosseum, this building is a prime example of fascist-era rationalist architecture.

A detailed pachyderm supports Rome's smallest Egyptian obelisk.

This curious, round temple is the oldest still-standing marble building in Rome.

More sculpture than building, this architecturally significant temple was built on the spot of Saint Peter's crucifixion.

The yawning maw of this pagan visage is said to bite off the hands of liars.

The only "Egyptian" pyramid in Europe and the legendary tomb of Remus.

Bug-devouring flora are the stars of a special wing of the glass conservatory.

The remains of a once-famous hotel that also acted as an artist colony.

A six-ton wedding present for the King of the Scots.

A cluttered and astounding collection of antiquities and curiosities.