Suspended above the ground in a thicket of towering Georgia trees is a modern architectural wonder.

Behind this beachfront shop lies a spectacular, colorful sea cave with an equally colorful past.

Built for an exposition in 1915, these horticultural displays have stood the test of time.

The world's largest outdoor organ is played weekly by one of just two civic organists in the U.S.

A blast from the past in central San Diego.

This historic graveyard was partially paved over to create a streetcar line.

San Diego's most historic and haunted home.

This outdoor gallery of graffiti-covered walls pays homage to the past, present, and possible future of street art.

A wooden rollercoaster that still delivers a thrill.

New York's southernmost subway station is whimsically wavy.

The East Village tenement from the cover of Led Zeppelin’s 1975 album has a tea shop on the ground floor.

Historic Greenpoint theater turned roller disco, then chain pharmacy, and now Sweetgreen.

Ornate "Renaissance Revival" style building.

Constructed in the 1920s, this former pencil factory is now an office building.

The return of something once considered a basic part of life.

Bridge that died in war and was resurected.

An ancient knight and a symbol of the city's freedom.

Picturesque basketball courts sheltered by historical defensive walls and with an enviable sea view.

Gargoyle head that brings good luck.

There's a mini version of Iguazu Falls hidden in the Balkans, and it's got a rope swing.

This fortified town dating back to the 1400s is often described as an open-air museum and is a protected National Monument of Bosnia and Herzegovina.

This armored vehicle was built in the local shipyard for use by the defenders of Dubrovnik.

Romans decided this 16th-century "talking statue" was so ugly, they named it after a primate.

The crypts of Capuchin friars decorated with the bones of over 4,000 friars, including an entire "crypt of pelvises."